diff --git a/frontend/components/dashboard/widgets/MapTestWidgetV2.tsx b/frontend/components/dashboard/widgets/MapTestWidgetV2.tsx
index 9b0db43a..48545281 100644
--- a/frontend/components/dashboard/widgets/MapTestWidgetV2.tsx
+++ b/frontend/components/dashboard/widgets/MapTestWidgetV2.tsx
@@ -8,6 +8,8 @@ import { Button } from "@/components/ui/button";
 import { Loader2, RefreshCw } from "lucide-react";
 import { applyColumnMapping } from "@/lib/utils/columnMapping";
 import { getApiUrl } from "@/lib/utils/apiUrl";
+import { regionOptions, filterVehiclesByRegion } from "@/lib/constants/regionBounds";
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
 import "leaflet/dist/leaflet.css";
 
 // Popup 말풍선 꼬리 제거 스타일
@@ -101,6 +103,9 @@ export default function MapTestWidgetV2({ element }: MapTestWidgetV2Props) {
   const [routeLoading, setRouteLoading] = useState(false);
   const [routeDate, setRouteDate] = useState<string>(new Date().toISOString().split("T")[0]); // YYYY-MM-DD 형식
 
+  // 지역 필터 상태
+  const [selectedRegion, setSelectedRegion] = useState<string>("all");
+
   // dataSources를 useMemo로 추출 (circular reference 방지)
   const dataSources = useMemo(() => {
     return element?.dataSources || element?.chartConfig?.dataSources;
@@ -1165,6 +1170,20 @@ export default function MapTestWidgetV2({ element }: MapTestWidgetV2Props) {
           </p>
         </div>
         <div className="flex items-center gap-2">
+          {/* 지역 필터 */}
+          <Select value={selectedRegion} onValueChange={setSelectedRegion}>
+            <SelectTrigger className="h-8 w-[140px] text-xs">
+              <SelectValue placeholder="지역 선택" />
+            </SelectTrigger>
+            <SelectContent>
+              {regionOptions.map((option) => (
+                <SelectItem key={option.value} value={option.value} className="text-xs">
+                  {option.label}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
+
           {/* 이동경로 날짜 선택 */}
           {selectedUserId && (
             <div className="flex items-center gap-1 rounded border bg-blue-50 px-2 py-1">
@@ -1442,8 +1461,8 @@ export default function MapTestWidgetV2({ element }: MapTestWidgetV2Props) {
                 );
               })}
 
-            {/* 마커 렌더링 */}
-            {markers.map((marker) => {
+            {/* 마커 렌더링 (지역 필터 적용) */}
+            {filterVehiclesByRegion(markers, selectedRegion).map((marker) => {
               // 마커의 소스에 해당하는 데이터 소스 찾기
               const sourceDataSource = dataSources?.find((ds) => ds.name === marker.source) || dataSources?.[0];
               const markerType = sourceDataSource?.markerType || "circle";
@@ -1771,7 +1790,12 @@ export default function MapTestWidgetV2({ element }: MapTestWidgetV2Props) {
       {/* 하단 정보 */}
       {(markers.length > 0 || polygons.length > 0) && (
         <div className="text-muted-foreground border-t p-2 text-xs">
-          {markers.length > 0 && `마커 ${markers.length}개`}
+          {markers.length > 0 && (
+            <>
+              마커 {filterVehiclesByRegion(markers, selectedRegion).length}개
+              {selectedRegion !== "all" && ` (전체 ${markers.length}개)`}
+            </>
+          )}
           {markers.length > 0 && polygons.length > 0 && " · "}
           {polygons.length > 0 && `영역 ${polygons.length}개`}
         </div>
diff --git a/frontend/lib/constants/regionBounds.ts b/frontend/lib/constants/regionBounds.ts
new file mode 100644
index 00000000..2b0f15ba
--- /dev/null
+++ b/frontend/lib/constants/regionBounds.ts
@@ -0,0 +1,238 @@
+/**
+ * 전국 시/도별 좌표 범위 (경계 좌표)
+ * 차량 위치 필터링에 사용
+ */
+
+export interface RegionBounds {
+  south: number;  // 최남단 위도
+  north: number;  // 최북단 위도
+  west: number;   // 최서단 경도
+  east: number;   // 최동단 경도
+}
+
+export interface RegionOption {
+  value: string;
+  label: string;
+  bounds?: RegionBounds;
+}
+
+// 전국 시/도별 좌표 범위
+export const regionBounds: Record<string, RegionBounds> = {
+  // 서울특별시
+  seoul: {
+    south: 37.413,
+    north: 37.715,
+    west: 126.734,
+    east: 127.183,
+  },
+  // 부산광역시
+  busan: {
+    south: 34.879,
+    north: 35.389,
+    west: 128.758,
+    east: 129.314,
+  },
+  // 대구광역시
+  daegu: {
+    south: 35.601,
+    north: 36.059,
+    west: 128.349,
+    east: 128.761,
+  },
+  // 인천광역시
+  incheon: {
+    south: 37.166,
+    north: 37.592,
+    west: 126.349,
+    east: 126.775,
+  },
+  // 광주광역시
+  gwangju: {
+    south: 35.053,
+    north: 35.267,
+    west: 126.652,
+    east: 127.013,
+  },
+  // 대전광역시
+  daejeon: {
+    south: 36.197,
+    north: 36.488,
+    west: 127.246,
+    east: 127.538,
+  },
+  // 울산광역시
+  ulsan: {
+    south: 35.360,
+    north: 35.710,
+    west: 128.958,
+    east: 129.464,
+  },
+  // 세종특별자치시
+  sejong: {
+    south: 36.432,
+    north: 36.687,
+    west: 127.044,
+    east: 127.364,
+  },
+  // 경기도
+  gyeonggi: {
+    south: 36.893,
+    north: 38.284,
+    west: 126.387,
+    east: 127.839,
+  },
+  // 강원도 (강원특별자치도)
+  gangwon: {
+    south: 37.017,
+    north: 38.613,
+    west: 127.085,
+    east: 129.359,
+  },
+  // 충청북도
+  chungbuk: {
+    south: 36.012,
+    north: 37.261,
+    west: 127.282,
+    east: 128.657,
+  },
+  // 충청남도
+  chungnam: {
+    south: 35.972,
+    north: 37.029,
+    west: 125.927,
+    east: 127.380,
+  },
+  // 전라북도 (전북특별자치도)
+  jeonbuk: {
+    south: 35.287,
+    north: 36.133,
+    west: 126.392,
+    east: 127.923,
+  },
+  // 전라남도
+  jeonnam: {
+    south: 33.959,
+    north: 35.507,
+    west: 125.979,
+    east: 127.921,
+  },
+  // 경상북도
+  gyeongbuk: {
+    south: 35.571,
+    north: 37.144,
+    west: 128.113,
+    east: 130.922,
+  },
+  // 경상남도
+  gyeongnam: {
+    south: 34.599,
+    north: 35.906,
+    west: 127.555,
+    east: 129.224,
+  },
+  // 제주특별자치도
+  jeju: {
+    south: 33.106,
+    north: 33.959,
+    west: 126.117,
+    east: 126.978,
+  },
+};
+
+// 지역 선택 옵션 (드롭다운용)
+export const regionOptions: RegionOption[] = [
+  { value: "all", label: "전체" },
+  { value: "seoul", label: "서울특별시", bounds: regionBounds.seoul },
+  { value: "busan", label: "부산광역시", bounds: regionBounds.busan },
+  { value: "daegu", label: "대구광역시", bounds: regionBounds.daegu },
+  { value: "incheon", label: "인천광역시", bounds: regionBounds.incheon },
+  { value: "gwangju", label: "광주광역시", bounds: regionBounds.gwangju },
+  { value: "daejeon", label: "대전광역시", bounds: regionBounds.daejeon },
+  { value: "ulsan", label: "울산광역시", bounds: regionBounds.ulsan },
+  { value: "sejong", label: "세종특별자치시", bounds: regionBounds.sejong },
+  { value: "gyeonggi", label: "경기도", bounds: regionBounds.gyeonggi },
+  { value: "gangwon", label: "강원특별자치도", bounds: regionBounds.gangwon },
+  { value: "chungbuk", label: "충청북도", bounds: regionBounds.chungbuk },
+  { value: "chungnam", label: "충청남도", bounds: regionBounds.chungnam },
+  { value: "jeonbuk", label: "전북특별자치도", bounds: regionBounds.jeonbuk },
+  { value: "jeonnam", label: "전라남도", bounds: regionBounds.jeonnam },
+  { value: "gyeongbuk", label: "경상북도", bounds: regionBounds.gyeongbuk },
+  { value: "gyeongnam", label: "경상남도", bounds: regionBounds.gyeongnam },
+  { value: "jeju", label: "제주특별자치도", bounds: regionBounds.jeju },
+];
+
+/**
+ * 좌표가 특정 지역 범위 내에 있는지 확인
+ */
+export function isInRegion(
+  latitude: number,
+  longitude: number,
+  region: string
+): boolean {
+  if (region === "all") return true;
+
+  const bounds = regionBounds[region];
+  if (!bounds) return false;
+
+  return (
+    latitude >= bounds.south &&
+    latitude <= bounds.north &&
+    longitude >= bounds.west &&
+    longitude <= bounds.east
+  );
+}
+
+/**
+ * 좌표로 지역 찾기 (해당하는 첫 번째 지역 반환)
+ */
+export function findRegionByCoords(
+  latitude: number,
+  longitude: number
+): string | null {
+  for (const [region, bounds] of Object.entries(regionBounds)) {
+    if (
+      latitude >= bounds.south &&
+      latitude <= bounds.north &&
+      longitude >= bounds.west &&
+      longitude <= bounds.east
+    ) {
+      return region;
+    }
+  }
+  return null;
+}
+
+/**
+ * 차량 목록을 지역별로 필터링
+ */
+export function filterVehiclesByRegion<
+  T extends { latitude?: number; longitude?: number; lat?: number; lng?: number }
+>(vehicles: T[], region: string): T[] {
+  if (region === "all") return vehicles;
+
+  const bounds = regionBounds[region];
+  if (!bounds) return vehicles;
+
+  return vehicles.filter((v) => {
+    const lat = v.latitude ?? v.lat;
+    const lng = v.longitude ?? v.lng;
+
+    if (lat === undefined || lng === undefined) return false;
+
+    return (
+      lat >= bounds.south &&
+      lat <= bounds.north &&
+      lng >= bounds.west &&
+      lng <= bounds.east
+    );
+  });
+}
+
+/**
+ * 지역명(한글) 가져오기
+ */
+export function getRegionLabel(regionValue: string): string {
+  const option = regionOptions.find((opt) => opt.value === regionValue);
+  return option?.label ?? regionValue;
+}
+