diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index a46dd8c..9239ad7 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -101,6 +101,10 @@ function AuthenticatedApp({ user, onLogout }: AuthenticatedAppProps) {
     militaryOnly: false,
     overseasChina: false,
     overseasJapan: false,
+    cnPower: false,
+    cnMilitary: false,
+    jpPower: false,
+    jpMilitary: false,
     hazardPetrochemical: false,
     hazardLng: false,
     hazardOilTank: false,
@@ -640,8 +644,20 @@ function AuthenticatedApp({ user, onLogout }: AuthenticatedAppProps) {
                     { key: 'industryHeavy', label: '시멘트/제철소', color: '#94a3b8', count: 5, group: '산업공정/제조시설' },
                   ]}
                   overseasItems={[
-                    { key: 'overseasChina', label: '🇨🇳 중국', color: '#ef4444' },
-                    { key: 'overseasJapan', label: '🇯🇵 일본', color: '#f472b6' },
+                    {
+                      key: 'overseasChina', label: '🇨🇳 중국', color: '#ef4444',
+                      children: [
+                        { key: 'cnPower', label: '발전소', color: '#a855f7' },
+                        { key: 'cnMilitary', label: '주요군사시설', color: '#ef4444' },
+                      ],
+                    },
+                    {
+                      key: 'overseasJapan', label: '🇯🇵 일본', color: '#f472b6',
+                      children: [
+                        { key: 'jpPower', label: '발전소', color: '#a855f7' },
+                        { key: 'jpMilitary', label: '주요군사시설', color: '#ef4444' },
+                      ],
+                    },
                   ]}
                   hiddenAcCategories={hiddenAcCategories}
                   hiddenShipCategories={hiddenShipCategories}
diff --git a/frontend/src/components/common/LayerPanel.tsx b/frontend/src/components/common/LayerPanel.tsx
index fc85524..ee0c1da 100644
--- a/frontend/src/components/common/LayerPanel.tsx
+++ b/frontend/src/components/common/LayerPanel.tsx
@@ -124,6 +124,7 @@ interface OverseasItem {
   key: string;
   label: string;
   color: string;
+  children?: OverseasItem[];
 }
 
 interface LayerPanelProps {
@@ -552,14 +553,32 @@ export function LayerPanel({
         {expanded.has('militaryOnly') && overseasItems && overseasItems.length > 0 && (
           <div className="layer-tree-children">
             {overseasItems.map(item => (
-              <LayerTreeItem
-                key={item.key}
-                layerKey={item.key}
-                label={item.label}
-                color={item.color}
-                active={layers[item.key] ?? false}
-                onToggle={() => onToggle(item.key)}
-              />
+              <div key={item.key}>
+                <LayerTreeItem
+                  layerKey={item.key}
+                  label={item.label}
+                  color={item.color}
+                  active={layers[item.key] ?? false}
+                  expandable={!!item.children?.length}
+                  isExpanded={expanded.has(`overseas-${item.key}`)}
+                  onToggle={() => onToggle(item.key)}
+                  onExpand={() => toggleExpand(`overseas-${item.key}`)}
+                />
+                {item.children?.length && expanded.has(`overseas-${item.key}`) && (
+                  <div className="layer-tree-children">
+                    {item.children.map(child => (
+                      <LayerTreeItem
+                        key={child.key}
+                        layerKey={child.key}
+                        label={child.label}
+                        color={child.color}
+                        active={layers[child.key] ?? false}
+                        onToggle={() => onToggle(child.key)}
+                      />
+                    ))}
+                  </div>
+                )}
+              </div>
             ))}
           </div>
         )}
diff --git a/frontend/src/components/korea/CnFacilityLayer.tsx b/frontend/src/components/korea/CnFacilityLayer.tsx
new file mode 100644
index 0000000..9209555
--- /dev/null
+++ b/frontend/src/components/korea/CnFacilityLayer.tsx
@@ -0,0 +1,82 @@
+import { useState } from 'react';
+import { Marker, Popup } from 'react-map-gl/maplibre';
+import { CN_POWER_PLANTS, CN_MILITARY_FACILITIES, type CnFacility } from '../../data/cnFacilities';
+
+interface Props {
+  type: 'power' | 'military';
+}
+
+const SUBTYPE_META: Record<CnFacility['subType'], { color: string; icon: string; label: string }> = {
+  nuclear:  { color: '#a855f7', icon: '☢', label: '핵발전' },
+  thermal:  { color: '#f97316', icon: '⚡', label: '화력발전' },
+  naval:    { color: '#3b82f6', icon: '⚓', label: '해군기지' },
+  airbase:  { color: '#22d3ee', icon: '✈', label: '공군기지' },
+  army:     { color: '#ef4444', icon: '★', label: '육군/사령부' },
+  shipyard: { color: '#f59e0b', icon: '⚙', label: '조선소' },
+};
+
+export function CnFacilityLayer({ type }: Props) {
+  const [popup, setPopup] = useState<CnFacility | null>(null);
+  const facilities = type === 'power' ? CN_POWER_PLANTS : CN_MILITARY_FACILITIES;
+
+  return (
+    <>
+      {facilities.map(f => {
+        const meta = SUBTYPE_META[f.subType];
+        return (
+          <Marker
+            key={f.id}
+            longitude={f.lng}
+            latitude={f.lat}
+            anchor="center"
+            onClick={e => { e.originalEvent.stopPropagation(); setPopup(f); }}
+          >
+            <div
+              title={f.name}
+              style={{
+                width: 18,
+                height: 18,
+                borderRadius: '50%',
+                background: meta.color,
+                border: '2px solid rgba(255,255,255,0.7)',
+                display: 'flex',
+                alignItems: 'center',
+                justifyContent: 'center',
+                fontSize: 9,
+                color: '#fff',
+                cursor: 'pointer',
+                boxShadow: `0 0 6px ${meta.color}88`,
+              }}
+            >
+              {meta.icon}
+            </div>
+          </Marker>
+        );
+      })}
+
+      {popup && (
+        <Popup
+          longitude={popup.lng}
+          latitude={popup.lat}
+          anchor="bottom"
+          onClose={() => setPopup(null)}
+          closeOnClick={false}
+          maxWidth="220px"
+        >
+          <div style={{ fontSize: 11, lineHeight: 1.6, padding: '2px 4px' }}>
+            <div style={{ fontWeight: 700, marginBottom: 4 }}>{popup.name}</div>
+            <div style={{ color: SUBTYPE_META[popup.subType].color, marginBottom: 4 }}>
+              {SUBTYPE_META[popup.subType].label}
+            </div>
+            {popup.operator && (
+              <div><span style={{ opacity: 0.6 }}>운영:</span> {popup.operator}</div>
+            )}
+            {popup.description && (
+              <div style={{ marginTop: 4, opacity: 0.85 }}>{popup.description}</div>
+            )}
+          </div>
+        </Popup>
+      )}
+    </>
+  );
+}
diff --git a/frontend/src/components/korea/JpFacilityLayer.tsx b/frontend/src/components/korea/JpFacilityLayer.tsx
new file mode 100644
index 0000000..0725ec0
--- /dev/null
+++ b/frontend/src/components/korea/JpFacilityLayer.tsx
@@ -0,0 +1,81 @@
+import { useState } from 'react';
+import { Marker, Popup } from 'react-map-gl/maplibre';
+import { JP_POWER_PLANTS, JP_MILITARY_FACILITIES, type JpFacility } from '../../data/jpFacilities';
+
+interface Props {
+  type: 'power' | 'military';
+}
+
+const SUBTYPE_META: Record<JpFacility['subType'], { color: string; icon: string; label: string }> = {
+  nuclear:  { color: '#a855f7', icon: '☢', label: '핵발전' },
+  thermal:  { color: '#f97316', icon: '⚡', label: '화력발전' },
+  naval:    { color: '#3b82f6', icon: '⚓', label: '해군기지' },
+  airbase:  { color: '#22d3ee', icon: '✈', label: '공군기지' },
+  army:     { color: '#ef4444', icon: '★', label: '육군' },
+};
+
+export function JpFacilityLayer({ type }: Props) {
+  const [popup, setPopup] = useState<JpFacility | null>(null);
+  const facilities = type === 'power' ? JP_POWER_PLANTS : JP_MILITARY_FACILITIES;
+
+  return (
+    <>
+      {facilities.map(f => {
+        const meta = SUBTYPE_META[f.subType];
+        return (
+          <Marker
+            key={f.id}
+            longitude={f.lng}
+            latitude={f.lat}
+            anchor="center"
+            onClick={e => { e.originalEvent.stopPropagation(); setPopup(f); }}
+          >
+            <div
+              title={f.name}
+              style={{
+                width: 18,
+                height: 18,
+                borderRadius: '50%',
+                background: meta.color,
+                border: '2px solid rgba(255,255,255,0.7)',
+                display: 'flex',
+                alignItems: 'center',
+                justifyContent: 'center',
+                fontSize: 9,
+                color: '#fff',
+                cursor: 'pointer',
+                boxShadow: `0 0 6px ${meta.color}88`,
+              }}
+            >
+              {meta.icon}
+            </div>
+          </Marker>
+        );
+      })}
+
+      {popup && (
+        <Popup
+          longitude={popup.lng}
+          latitude={popup.lat}
+          anchor="bottom"
+          onClose={() => setPopup(null)}
+          closeOnClick={false}
+          maxWidth="220px"
+        >
+          <div style={{ fontSize: 11, lineHeight: 1.6, padding: '2px 4px' }}>
+            <div style={{ fontWeight: 700, marginBottom: 4 }}>{popup.name}</div>
+            <div style={{ color: SUBTYPE_META[popup.subType].color, marginBottom: 4 }}>
+              {SUBTYPE_META[popup.subType].label}
+            </div>
+            {popup.operator && (
+              <div><span style={{ opacity: 0.6 }}>운영:</span> {popup.operator}</div>
+            )}
+            {popup.description && (
+              <div style={{ marginTop: 4, opacity: 0.85 }}>{popup.description}</div>
+            )}
+          </div>
+        </Popup>
+      )}
+    </>
+  );
+}
diff --git a/frontend/src/components/korea/KoreaMap.tsx b/frontend/src/components/korea/KoreaMap.tsx
index 6991a87..6a79913 100644
--- a/frontend/src/components/korea/KoreaMap.tsx
+++ b/frontend/src/components/korea/KoreaMap.tsx
@@ -22,6 +22,8 @@ import { NKLaunchLayer } from './NKLaunchLayer';
 import { NKMissileEventLayer } from './NKMissileEventLayer';
 import { ChineseFishingOverlay } from './ChineseFishingOverlay';
 import { HazardFacilityLayer } from './HazardFacilityLayer';
+import { CnFacilityLayer } from './CnFacilityLayer';
+import { JpFacilityLayer } from './JpFacilityLayer';
 import { fetchKoreaInfra } from '../../services/infra';
 import type { PowerFacility } from '../../services/infra';
 import type { Ship, Aircraft, SatellitePosition } from '../../types';
@@ -279,6 +281,10 @@ export function KoreaMap({ ships, aircraft, satellites, layers, osintFeed, curre
       {layers.industryShipyard && <HazardFacilityLayer type="shipyard" />}
       {layers.industryWastewater && <HazardFacilityLayer type="wastewater" />}
       {layers.industryHeavy && <HazardFacilityLayer type="heavyIndustry" />}
+      {layers.cnPower && <CnFacilityLayer type="power" />}
+      {layers.cnMilitary && <CnFacilityLayer type="military" />}
+      {layers.jpPower && <JpFacilityLayer type="power" />}
+      {layers.jpMilitary && <JpFacilityLayer type="military" />}
       {layers.airports && <KoreaAirportLayer />}
       {layers.coastGuard && <CoastGuardLayer />}
       {layers.navWarning && <NavWarningLayer />}
diff --git a/frontend/src/data/cnFacilities.ts b/frontend/src/data/cnFacilities.ts
new file mode 100644
index 0000000..c7b9dec
--- /dev/null
+++ b/frontend/src/data/cnFacilities.ts
@@ -0,0 +1,141 @@
+export interface CnFacility {
+  id: string;
+  name: string;
+  subType: 'nuclear' | 'thermal' | 'naval' | 'airbase' | 'army' | 'shipyard';
+  lat: number;
+  lng: number;
+  operator?: string;
+  description?: string;
+}
+
+export const CN_POWER_PLANTS: CnFacility[] = [
+  {
+    id: 'cn-npp-hongyanhe',
+    name: '홍옌허(红沿河) 핵발전소',
+    subType: 'nuclear',
+    lat: 40.87,
+    lng: 121.02,
+    operator: '中国大唐集团',
+    description: '가압경수로 6기, 라오닝성 — 한반도 최근접 핵발전소',
+  },
+  {
+    id: 'cn-npp-tianwan',
+    name: '톈완(田湾) 핵발전소',
+    subType: 'nuclear',
+    lat: 34.71,
+    lng: 119.45,
+    operator: '江苏核电',
+    description: '러시아 VVER-1000 설계, 장쑤성',
+  },
+  {
+    id: 'cn-npp-qinshan',
+    name: '진산(秦山) 핵발전소',
+    subType: 'nuclear',
+    lat: 30.44,
+    lng: 120.96,
+    operator: '中核集团',
+    description: '중국 최초 상업 핵발전소, 저장성',
+  },
+  {
+    id: 'cn-npp-ningde',
+    name: '닝더(宁德) 핵발전소',
+    subType: 'nuclear',
+    lat: 26.73,
+    lng: 120.12,
+    operator: '中国大唐集团',
+    description: '가압경수로 4기, 푸젠성',
+  },
+  {
+    id: 'cn-thermal-dalian',
+    name: '다롄 화력발전소',
+    subType: 'thermal',
+    lat: 38.85,
+    lng: 121.55,
+    operator: '大连电力',
+    description: '석탄화력, 라오닝성',
+  },
+  {
+    id: 'cn-thermal-qinhuangdao',
+    name: '친황다오 화력발전소',
+    subType: 'thermal',
+    lat: 39.93,
+    lng: 119.58,
+    operator: '华能国际',
+    description: '석탄화력 대형 기지, 허베이성',
+  },
+  {
+    id: 'cn-thermal-tianjin',
+    name: '톈진 화력발전소',
+    subType: 'thermal',
+    lat: 39.08,
+    lng: 117.20,
+    operator: '华能集团',
+    description: '석탄화력, 톈진시',
+  },
+];
+
+export const CN_MILITARY_FACILITIES: CnFacility[] = [
+  {
+    id: 'cn-mil-qingdao',
+    name: '칭다오 해군기지',
+    subType: 'naval',
+    lat: 36.07,
+    lng: 120.26,
+    operator: '해군 북부전구',
+    description: '항모전단 모항, 핵잠수함 기지',
+  },
+  {
+    id: 'cn-mil-lushun',
+    name: '뤼순(旅順) 해군기지',
+    subType: 'naval',
+    lat: 38.85,
+    lng: 121.24,
+    operator: '해군 북부전구',
+    description: '잠수함·구축함 기지, 보하이만 입구',
+  },
+  {
+    id: 'cn-mil-dalian-shipyard',
+    name: '다롄 조선소 (항모건조)',
+    subType: 'shipyard',
+    lat: 38.92,
+    lng: 121.62,
+    operator: '中国船舶重工',
+    description: '랴오닝함·산둥함 건조, 항모 4번함 건조 중',
+  },
+  {
+    id: 'cn-mil-shenyang-cmd',
+    name: '북부전구 사령부',
+    subType: 'army',
+    lat: 41.80,
+    lng: 123.42,
+    operator: '해방군 북부전구',
+    description: '한반도·동북아 담당, 선양시',
+  },
+  {
+    id: 'cn-mil-shenyang-air',
+    name: '선양 공군기지',
+    subType: 'airbase',
+    lat: 41.77,
+    lng: 123.49,
+    operator: '공군 북부전구',
+    description: 'J-16 전투기 배치, 북부전구 핵심기지',
+  },
+  {
+    id: 'cn-mil-dandong',
+    name: '단둥 군사시설',
+    subType: 'army',
+    lat: 40.13,
+    lng: 124.38,
+    operator: '해방군 육군',
+    description: '북중 접경 전진기지, 한반도 작전 담당',
+  },
+  {
+    id: 'cn-mil-zhoushan',
+    name: '저우산 해군기지',
+    subType: 'naval',
+    lat: 30.00,
+    lng: 122.10,
+    operator: '해군 동부전구',
+    description: '동중국해 주력 함대 기지',
+  },
+];
diff --git a/frontend/src/data/jpFacilities.ts b/frontend/src/data/jpFacilities.ts
new file mode 100644
index 0000000..e7d4f60
--- /dev/null
+++ b/frontend/src/data/jpFacilities.ts
@@ -0,0 +1,150 @@
+export interface JpFacility {
+  id: string;
+  name: string;
+  subType: 'nuclear' | 'thermal' | 'naval' | 'airbase' | 'army';
+  lat: number;
+  lng: number;
+  operator?: string;
+  description?: string;
+}
+
+export const JP_POWER_PLANTS: JpFacility[] = [
+  {
+    id: 'jp-npp-genkai',
+    name: '겐카이(玄海) 핵발전소',
+    subType: 'nuclear',
+    lat: 33.52,
+    lng: 129.84,
+    operator: '규슈전력',
+    description: '가압경수로 4기, 사가현 — 한반도 최근접 원전',
+  },
+  {
+    id: 'jp-npp-sendai',
+    name: '센다이(川内) 핵발전소',
+    subType: 'nuclear',
+    lat: 31.84,
+    lng: 130.19,
+    operator: '규슈전력',
+    description: '가압경수로 2기, 가고시마현',
+  },
+  {
+    id: 'jp-npp-ohi',
+    name: '오이(大飯) 핵발전소',
+    subType: 'nuclear',
+    lat: 35.53,
+    lng: 135.65,
+    operator: '간사이전력',
+    description: '가압경수로 4기, 후쿠이현 — 일본 최대 출력',
+  },
+  {
+    id: 'jp-npp-takahama',
+    name: '다카하마(高浜) 핵발전소',
+    subType: 'nuclear',
+    lat: 35.51,
+    lng: 135.50,
+    operator: '간사이전력',
+    description: '가압경수로 4기, 후쿠이현',
+  },
+  {
+    id: 'jp-npp-shika',
+    name: '시카(志賀) 핵발전소',
+    subType: 'nuclear',
+    lat: 37.07,
+    lng: 136.72,
+    operator: '호쿠리쿠전력',
+    description: '비등수형경수로 2기, 이시카와현 (2024 지진 피해)',
+  },
+  {
+    id: 'jp-npp-higashidori',
+    name: '히가시도리(東通) 핵발전소',
+    subType: 'nuclear',
+    lat: 41.18,
+    lng: 141.37,
+    operator: '도호쿠전력',
+    description: '비등수형경수로, 아오모리현',
+  },
+  {
+    id: 'jp-thermal-matsuura',
+    name: '마쓰우라(松浦) 화력발전소',
+    subType: 'thermal',
+    lat: 33.33,
+    lng: 129.73,
+    operator: '전원개발(J-Power)',
+    description: '석탄화력, 나가사키현 — 대한해협 인접',
+  },
+  {
+    id: 'jp-thermal-hekinan',
+    name: '헤키난(碧南) 화력발전소',
+    subType: 'thermal',
+    lat: 34.87,
+    lng: 136.95,
+    operator: '주부전력',
+    description: '석탄화력, 아이치현 — 일본 최대 석탄화력',
+  },
+];
+
+export const JP_MILITARY_FACILITIES: JpFacility[] = [
+  {
+    id: 'jp-mil-sasebo',
+    name: '사세보(佐世保) 해군기지',
+    subType: 'naval',
+    lat: 33.16,
+    lng: 129.72,
+    operator: '미 해군 / 해상자위대',
+    description: '미 7함대 상륙전단 모항, 한국 최근접 미군기지',
+  },
+  {
+    id: 'jp-mil-maizuru',
+    name: '마이즈루(舞鶴) 해군기지',
+    subType: 'naval',
+    lat: 35.47,
+    lng: 135.38,
+    operator: '해상자위대',
+    description: '동해 방면 주력기지, 호위함대 사령부',
+  },
+  {
+    id: 'jp-mil-yokosuka',
+    name: '요코스카(横須賀) 해군기지',
+    subType: 'naval',
+    lat: 35.29,
+    lng: 139.67,
+    operator: '미 해군 / 해상자위대',
+    description: '미 7함대 사령부, 항모 로널드 레이건 모항',
+  },
+  {
+    id: 'jp-mil-iwakuni',
+    name: '이와쿠니(岩国) 공군기지',
+    subType: 'airbase',
+    lat: 34.15,
+    lng: 132.24,
+    operator: '미 해병대 / 항공자위대',
+    description: 'F/A-18 및 F-35B 배치, 야마구치현',
+  },
+  {
+    id: 'jp-mil-kadena',
+    name: '가데나(嘉手納) 공군기지',
+    subType: 'airbase',
+    lat: 26.36,
+    lng: 127.77,
+    operator: '미 공군',
+    description: 'F-15C/D, KC-135 배치, 아시아 최대 미 공군기지',
+  },
+  {
+    id: 'jp-mil-ashiya',
+    name: '아시야(芦屋) 항공기지',
+    subType: 'airbase',
+    lat: 33.88,
+    lng: 130.66,
+    operator: '항공자위대',
+    description: '대한해협 인접, 후쿠오카현',
+  },
+  {
+    id: 'jp-mil-naha',
+    name: '나하(那覇) 항공기지',
+    subType: 'airbase',
+    lat: 26.21,
+    lng: 127.65,
+    operator: '항공자위대',
+    description: 'F-15 배치, 남서항공방면대 사령부',
+  },
+];