{"id":37436,"date":"2025-12-25T17:27:10","date_gmt":"2025-12-25T16:27:10","guid":{"rendered":"https:\/\/www.graviton.at\/letterswaplibrary\/paid-i-compiled-a-clean-json-dataset-of-all-japanese-prefectures-and-1700-cities-for-developers-self-promotion\/"},"modified":"2025-12-25T17:27:10","modified_gmt":"2025-12-25T16:27:10","slug":"paid-i-compiled-a-clean-json-dataset-of-all-japanese-prefectures-and-1700-cities-for-developers-self-promotion","status":"publish","type":"post","link":"https:\/\/www.graviton.at\/letterswaplibrary\/paid-i-compiled-a-clean-json-dataset-of-all-japanese-prefectures-and-1700-cities-for-developers-self-promotion\/","title":{"rendered":"[PAID] I Compiled A Clean JSON Dataset Of All Japanese Prefectures And 1,700+ Cities For Developers [self-promotion]"},"content":{"rendered":"<p><!-- SC_OFF --><\/p>\n<div class=\"md\">\n<p>I\u2019m working on a project that required accurate hierarchical Japanese location data<br \/> (prefecture \u2192 city\/ward\/town\/village).<\/p>\n<p>Since most publicly available datasets were outdated, inconsistent, or missing entries,<br \/> I compiled a clean version from multiple official sources.<\/p>\n<p>It includes:<\/p>\n<ul>\n<li>1 country<\/li>\n<li>47 prefectures<\/li>\n<li>1,700+ municipalities<\/li>\n<li>consistent hierarchical IDs<\/li>\n<li>UTF-8, machine-friendly<\/li>\n<li>suitable for forms, address validation, GIS, ML, and location-based apps<\/li>\n<\/ul>\n<p>If anyone is interested, I\u2019m happy to provide details or export it as CSV \/ SQL.<\/p>\n<p>The full JSON dataset is available here (paid):<br \/> <a href=\"https:\/\/makotocroco.gumroad.com\/l\/japan-locations\">https:\/\/makotocroco.gumroad.com\/l\/japan-locations<\/a><\/p>\n<p><strong>(self-promotion: this is my own dataset)<\/strong><\/p>\n<\/div>\n<p><!-- SC_ON -->   submitted by   <a href=\"https:\/\/www.reddit.com\/user\/Specialist-Weight407\"> \/u\/Specialist-Weight407 <\/a> <br \/> <span><a href=\"https:\/\/www.reddit.com\/r\/datasets\/comments\/1pdlayi\/paid_i_compiled_a_clean_json_dataset_of_all\/\">[link]<\/a><\/span>   <span><a href=\"https:\/\/www.reddit.com\/r\/datasets\/comments\/1pdlayi\/paid_i_compiled_a_clean_json_dataset_of_all\/\">[comments]<\/a><\/span><\/p><div class='watch-action'><div class='watch-position align-right'><div class='action-like'><a class='lbg-style1 like-37436 jlk' href='javascript:void(0)' data-task='like' data-post_id='37436' data-nonce='65e0e39b87' rel='nofollow'><img class='wti-pixel' src='https:\/\/www.graviton.at\/letterswaplibrary\/wp-content\/plugins\/wti-like-post\/images\/pixel.gif' title='Like' \/><span class='lc-37436 lc'>0<\/span><\/a><\/div><\/div> <div class='status-37436 status align-right'><\/div><\/div><div class='wti-clear'><\/div>","protected":false},"excerpt":{"rendered":"<p>I\u2019m working on a project that required accurate hierarchical Japanese location data (prefecture \u2192 city\/ward\/town\/village). Since most&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":["post-37436","post","type-post","status-publish","format-standard","hentry","category-datatards","wpcat-85-id"],"_links":{"self":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts\/37436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/comments?post=37436"}],"version-history":[{"count":0,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts\/37436\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/media?parent=37436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/categories?post=37436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/tags?post=37436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}