diff --git a/34304_kaita-cho_2021/bldg/index.geojson b/34304_kaita-cho_2021/bldg/index.geojson
new file mode 100644
index 0000000..68a5579
--- /dev/null
+++ b/34304_kaita-cho_2021/bldg/index.geojson
@@ -0,0 +1,40 @@
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diff --git a/index.json b/index.json
index 0becefd..fd67e63 100644
--- a/index.json
+++ b/index.json
@@ -83,6 +83,7 @@
 		{"code": "31201", "name": "鳥取県 鳥取市", "path": "31201_tottori-shi_2020", "coordinates":[134.22193,35.49443]},
 		{"code": "34202", "name": "広島県 呉市", "path": "34202_kure-shi_2020", "coordinates":[132.56526,34.24830]},
 		{"code": "34207", "name": "広島県 福山市", "path": "34207_fukuyama-shi_2020", "coordinates":[133.36256,34.48568]},
+		{"code": "34304", "name": "広島県 海田町", "path": "34304_kaita-cho_2021", "coordinates":[132.554512,34.370432]},
 		{"code": "37201", "name": "香川県 高松市", "path": "37201_takamatsu-shi_2022", "coordinates":[134.044189,34.275943]},
 		{"code": "38201", "name": "愛媛県 松山市", "path": "38201_matsuyama-shi_2020", "coordinates":[132.76527,33.83939]},
 		{"code": "40100", "name": "福岡県 北九州市", "path": "40100_kitakyushu-shi_2020", "coordinates":[130.8749015,33.8829996]},