diff --git a/app/api/__init__.py b/app/api/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/api/v1/__init__.py b/app/api/v1/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/api/v1/location.py b/app/api/v1/location.py
new file mode 100644
index 0000000..8405b02
--- /dev/null
+++ b/app/api/v1/location.py
@@ -0,0 +1,18 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+from app.core.database import get_db
+from app.schemas.location import LocationRequest, LocationResponse
+from app.services.location_service import register_location
+
+router = APIRouter()
+
+
+@router.post("/location", response_model=LocationResponse)
+def create_location(req: LocationRequest, db: Session = Depends(get_db)):
+    record = register_location(db, req)
+    return LocationResponse(
+        zongpai_no=record.zongpai_no,
+        location_code=record.location_code,
+        created_at=record.created_at.isoformat(),
+    )
diff --git a/app/main.py b/app/main.py
index 7019b25..f50b871 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,7 +1,29 @@
-from fastapi import FastAPI
+from fastapi import FastAPI, Request
+from fastapi.responses import JSONResponse
+
+from app.api.v1.location import router as location_router
 
 app = FastAPI(title="CargoTrace API", version="0.1.0")
 
+app.include_router(location_router, prefix="/CargoTrace")
+
+
+@app.exception_handler(ValueError)
+async def value_error_handler(request: Request, exc: ValueError):
+    error_code = str(exc)
+    status_map = {
+        "INVALID_ZONGPAI": 400,
+        "INVALID_LOCATION": 400,
+    }
+    status = status_map.get(error_code, 400)
+    return JSONResponse(
+        status_code=status,
+        content={
+            "error_code": error_code,
+            "message": str(exc),
+        },
+    )
+
 
 @app.get("/")
 async def root():