diff --git a/popcorn/Assets/MyGame/Scripts/CityGameDataDict.cs b/popcorn/Assets/MyGame/Scripts/CityGameDataDict.cs
new file mode 100644
index 00000000..f28a5306
--- /dev/null
+++ b/popcorn/Assets/MyGame/Scripts/CityGameDataDict.cs
@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace MyGame.Scripts
+{
+    /// <summary>
+    /// 都市ごとのセーブデータ辞書
+    /// </summary>
+    public class CityGameDataDict : Dictionary<int, GameData>
+    {
+    }
+}
\ No newline at end of file
diff --git a/popcorn/Assets/MyGame/Scripts/CityGameDataDict.cs.meta b/popcorn/Assets/MyGame/Scripts/CityGameDataDict.cs.meta
new file mode 100644
index 00000000..4385380b
--- /dev/null
+++ b/popcorn/Assets/MyGame/Scripts/CityGameDataDict.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 0e93992cd9584288a973aca23bfc31fb
+timeCreated: 1662021947
\ No newline at end of file
diff --git a/popcorn/Assets/MyGame/Scripts/Const.cs b/popcorn/Assets/MyGame/Scripts/Const.cs
index 7075ab9b..958d9152 100644
--- a/popcorn/Assets/MyGame/Scripts/Const.cs
+++ b/popcorn/Assets/MyGame/Scripts/Const.cs
@@ -10,6 +10,7 @@ public static class Const {
     public static readonly int DefaultMachineLevel = 1;
     public static readonly int DefaultRecipeId = 1;
     public static readonly int DefaultPanId = 1;
+    public static readonly int DefaultCityId = 1;
     public static readonly int ShopTankId = 20;
     public static readonly int MaxShopLevel = 18;
     public static readonly int TankCapacity = 20;
diff --git a/popcorn/Assets/MyGame/Scripts/GameDataManager.cs b/popcorn/Assets/MyGame/Scripts/GameDataManager.cs
index e84c2b72..bec82134 100644
--- a/popcorn/Assets/MyGame/Scripts/GameDataManager.cs
+++ b/popcorn/Assets/MyGame/Scripts/GameDataManager.cs
@@ -186,8 +186,12 @@ public sealed class GameData {
     [DataMember(Name = "Data65")]
     public List<ScrollGameScoreData> ScrollGameStageScoreList;
 
+    // ワールドマップ追加(v1.7.0)
+    public int CurrentCityId; // 選択中の都市
+    public int[] Cities; // 解放済みの都市
+    public CityGameDataDict CityGameDataDict; // 都市ごとのデータ
 
-        // mission
+    // mission
     [DataMember(Name = "Data1001")] 
     public int TotalAddCoin { get; private set; }
     [DataMember(Name = "Data1002")] 
@@ -497,6 +501,16 @@ public sealed class GameData {
                 Const.ShopCustomizeDefaultSignBoardId,
             };
         }
+
+        if (CurrentCityId < 1)
+        {
+            CurrentCityId = 1;
+        }
+        // CityGameData
+        foreach (var cityGameData in CityGameDataDict.Values)
+        {
+            cityGameData.OnDeserialized();
+        }
         
         // 追加した要素の初期化用
         // TODO Release前にまっさらにする
@@ -523,6 +537,7 @@ public sealed class GameData {
         ShopCustomizeMyItems = ShopCustomizeMyItems ?? Array.Empty<int>();
         ScrollGamePlaceScoreList = ScrollGamePlaceScoreList ?? new List<ScrollGameScoreData>();
         ScrollGameStageScoreList = ScrollGameStageScoreList ?? new List<ScrollGameScoreData>();
+        CityGameDataDict ??= new CityGameDataDict();
     }
     private Dictionary<int, int> ArrayToDictionary(KeyValueOfintint[] array){
         var dictionary = new Dictionary<int, int>();
@@ -539,6 +554,11 @@ public sealed class GameData {
         // lastAdRewardTimeArray = lastAdRewardTimeList.ToArray();
         achievedMission = AchievedMission.ToArray();
         deliveredOrder = DeliveredOrder.ToArray();
+        // CityGameData
+        foreach (var cityGameData in CityGameDataDict.Values)
+        {
+            cityGameData.PreSerialize();
+        }
     }
     private KeyValueOfintint[] DictionaryToArray(Dictionary<int, int> dictionary){
         var array = new KeyValueOfintint[dictionary.Count];
@@ -692,6 +712,21 @@ public static class GameDataManager {
             .Replace("KVOiIF", "KeyValueOfintInfiniteFloat");
         return StringExtensions.XMLToData<GameData>(str);
     }
+    
+    /// <summary>
+    /// CityIdから都市セーブデータを取得
+    /// はじめの都市のみ、別クラスにより透過的にGameData上の値を直接参照
+    /// </summary>
+    /// <param name="cityId"></param>
+    /// <returns></returns>
+    public static GameData GetCityGameData(int cityId) =>
+        cityId switch
+        {
+            1 => GameData,
+            _ => GameData.CityGameDataDict[cityId]
+        };
+
+    public static GameData GetCurrentCityGameData() => GameData.CityGameDataDict[GameData.CurrentCityId];
 
 #if UNITY_EDITOR || DEVELOPMENT_BUILD
     public static void ResetData(){