{"schema_version":1,"subject":{"chocho_code":"131010008001","name":"千代田区九段南一丁目","city_code":"13101","ward_name":"千代田区"},"building_count":6,"built_year_bands":{"unknown":6},"structures":{"unknown":6},"buildings":[{"seed_id":"seed-13101-bldg-8211","building_id":"13101-bldg-8211","address":null,"built_year":null,"structure":"unknown","uri":"https://tomori-map.com/b/seed-13101-bldg-8211"},{"seed_id":"seed-13101-bldg-8227","building_id":"13101-bldg-8227","address":null,"built_year":null,"structure":"unknown","uri":"https://tomori-map.com/b/seed-13101-bldg-8227"},{"seed_id":"seed-13101-bldg-8301","building_id":"13101-bldg-8301","address":null,"built_year":null,"structure":"unknown","uri":"https://tomori-map.com/b/seed-13101-bldg-8301"},{"seed_id":"seed-13101-bldg-8318","building_id":"13101-bldg-8318","address":null,"built_year":null,"structure":"unknown","uri":"https://tomori-map.com/b/seed-13101-bldg-8318"},{"seed_id":"seed-13101-bldg-8337","building_id":"13101-bldg-8337","address":null,"built_year":null,"structure":"unknown","uri":"https://tomori-map.com/b/seed-13101-bldg-8337"},{"seed_id":"seed-13101-bldg-8367","building_id":"13101-bldg-8367","address":null,"built_year":null,"structure":"unknown","uri":"https://tomori-map.com/b/seed-13101-bldg-8367"}],"provenance":{"source":"3D都市モデル（Project PLATEAU）・位置参照情報（国土交通省）","generated_on":"2026-10-27"},"license":"https://creativecommons.org/licenses/by/4.0/","cite":"https://tomori-map.com/methodology.html#cite","canonical":"https://tomori-map.com/chocho/131010008001"}