diff --git a/src/main/java/org/ntlab/nemophila/models/shops/ShopManager.java b/src/main/java/org/ntlab/nemophila/models/shops/ShopManager.java
index bdfd27d..3ac567e 100644
--- a/src/main/java/org/ntlab/nemophila/models/shops/ShopManager.java
+++ b/src/main/java/org/ntlab/nemophila/models/shops/ShopManager.java
@@ -1,6 +1,7 @@
 package org.ntlab.nemophila.models.shops;
 import org.ntlab.nemophila.models.accounts.Post;
 
+import javax.ws.rs.FormParam;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -29,8 +30,24 @@
     }
 
     //お店の情報を全て返す
-    public Collection<Shop> getShops() {
-        return shopsMap.values();
+    public Collection<Shop> getShops(double upperRightLongitude,
+                                     double upperRightLatitude,
+                                     double lowerLeftlongitude,
+                                     double lowerLeftlatitude) {
+        Collection<Shop> response = new ArrayList<>();
+
+        for (Shop shop: shopsMap.values()) {
+            double longitude = shop.getLongitude();
+            double latitude = shop.getLatitude();
+
+            if (longitude < upperRightLongitude && longitude > lowerLeftlongitude) {
+                if (latitude < upperRightLatitude && latitude > lowerLeftlatitude) {
+                    response.add(shop);
+                }
+            }
+        }
+
+        return response;
     }
 
     //sidからその店の投稿を取得
@@ -64,4 +81,5 @@
     public void removeShop(String id) {
         shopsMap.remove(id);
     }
+
 }
\ No newline at end of file