diff --git a/13229_nishitokyo-shi_2022/bldg/index.geojson b/13229_nishitokyo-shi_2022/bldg/index.geojson
new file mode 100644
index 0000000..dfd24d6
--- /dev/null
+++ b/13229_nishitokyo-shi_2022/bldg/index.geojson
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+}
diff --git a/index.json b/index.json
index f49038f..e56aa28 100644
--- a/index.json
+++ b/index.json
@@ -27,6 +27,7 @@
 		{"code": "13100", "name": "東京23区", "path": "13100_tokyo23-ku_2022", "coordinates":[139.7637,35.6808]},
 		{"code": "13201", "name": "東京都 八王子市", "path": "13201_hachioji-shi_2020", "coordinates":[139.28360,35.66033]},
 		{"code": "13213", "name": "東京都 東村山市", "path": "13213_higashimurayama-shi_2020", "coordinates":[139.48503,35.76867]},
+		{"code": "13229", "name": "東京都 西東京市", "path": "13229_nishitokyo-shi_2022", "coordinates":[139.543750,35.737505]},
 		{"code": "14100", "name": "神奈川県 横浜市", "path": "14100_yokohama-shi_2022", "coordinates":[139.63682,35.44480]},
 		{"code": "14130", "name": "神奈川県 川崎市", "path": "14130_kawasaki-shi_2022", "coordinates":[139.70300,35.53034]},
 		{"code": "14150", "name": "神奈川県 相模原市", "path": "14150_sagamihara-shi_2020", "coordinates":[139.2368,35.5646]},