diff --git a/CHANGELOG.md b/CHANGELOG.md
index efb9f1e..61fd2a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,15 @@
 
 ---
 
+## 2026-06-16
+
+### 🗺️ 식당 상세 지도 링크 국내/해외 분기 (v0.1.51)
+- 좌표 기반 한국 판정 (WGS84 KR bbox 33~38.7°N, 124~132°E)
+- 국내: 네이버 지도 primary + Google Maps 보조 (네이버 URL은 신 도메인 /p/search/)
+- 해외: Google Maps 단독
+- 좌표 없으면 region 첫 토큰 fallback (구 데이터 호환)
+- frontend-only 배포
+
 ## 2026-06-15
 
 ### 🐛 캐치테이블 URL 패턴 수정 (v0.1.50)
diff --git a/frontend/src/components/RestaurantDetail.tsx b/frontend/src/components/RestaurantDetail.tsx
index 06b28d6..790df49 100644
--- a/frontend/src/components/RestaurantDetail.tsx
+++ b/frontend/src/components/RestaurantDetail.tsx
@@ -24,6 +24,15 @@ function buildSearchQuery(r: Restaurant): string {
   return r.name;
 }
 
+// 좌표 기반 한국 판정 (WGS84). KR bbox 대략 33~38.7°N, 124~132°E.
+// 좌표 없으면 region 첫 토큰으로 fallback (구 데이터 호환).
+function isKoreaRestaurant(r: Restaurant): boolean {
+  if (r.latitude != null && r.longitude != null) {
+    return r.latitude >= 33 && r.latitude <= 38.7 && r.longitude >= 124 && r.longitude <= 132;
+  }
+  return !r.region || r.region.split("|")[0] === "한국";
+}
+
 export default function RestaurantDetail({
   restaurant,
   onClose,
@@ -138,22 +147,33 @@ export default function RestaurantDetail({
         )}
         {restaurant.google_place_id && (
           <p className="flex gap-3">
-            <a
-              href={`https://www.google.com/maps/search/?api=1&query=${encodeURIComponent(buildSearchQuery(restaurant))}`}
-              target="_blank"
-              rel="noopener noreferrer"
-              className="text-brand-600 dark:text-brand-400 hover:underline text-xs"
-            >
-              Google Maps에서 보기
-            </a>
-            {(!restaurant.region || restaurant.region.split("|")[0] === "한국") && (
+            {isKoreaRestaurant(restaurant) ? (
+              <>
+                <a
+                  href={`https://map.naver.com/p/search/${encodeURIComponent(buildSearchQuery(restaurant))}`}
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  className="text-green-600 dark:text-green-400 hover:underline text-xs"
+                >
+                  네이버 지도에서 보기
+                </a>
+                <a
+                  href={`https://www.google.com/maps/search/?api=1&query=${encodeURIComponent(buildSearchQuery(restaurant))}`}
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  className="text-gray-500 dark:text-gray-400 hover:underline text-xs"
+                >
+                  Google Maps
+                </a>
+              </>
+            ) : (
               <a
-                href={`https://map.naver.com/v5/search/${encodeURIComponent(restaurant.name)}`}
+                href={`https://www.google.com/maps/search/?api=1&query=${encodeURIComponent(buildSearchQuery(restaurant))}`}
                 target="_blank"
                 rel="noopener noreferrer"
-                className="text-green-600 dark:text-green-400 hover:underline text-xs"
+                className="text-brand-600 dark:text-brand-400 hover:underline text-xs"
               >
-                네이버 지도에서 보기
+                Google Maps에서 보기
               </a>
             )}
           </p>