{
  "contentStorage": "postgres",
  "title": "Administrative divisions and railways of Japan · Relations",
  "description": "Gateway to knowledge on Japan's 47 prefectures and its Shinkansen and JR lines.",
  "url": "/en/concepts/japan-admin-rail-overview/relation.html",
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    "id": "concept_japan_admin_rail_overview",
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    "title": "Administrative divisions and railways of Japan",
    "slug": "japan-admin-rail-overview",
    "summary": "Gateway to knowledge on Japan's 47 prefectures and its Shinkansen and JR lines.",
    "status": "published",
    "categories": [
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      "category-transit"
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    "tags": [
      "tag-admin-division",
      "tag-rail"
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      {
        "id": "ja-wiki",
        "title": "日本の地域区分",
        "url": "https://ja.wikipedia.org/wiki/%E6%97%A5%E6%9C%AC%E3%81%AE%E5%9C%B0%E5%9F%9F%E5%8C%BA%E5%88%86",
        "locator": "日本語ウィキペディア・公式サイト, 2026-10-28確認"
      }
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    "createdAt": "2026-10-28T00:00:00+08:00",
    "updatedAt": "2026-10-28T00:00:00+08:00",
    "updatedBy": "user:admin",
    "revision": 7,
    "body": "## Overview\n\nThis page is the gateway to knowledge on [[place_japan_country|Japan]]'s administrative divisions (47 prefectures) and railways (Shinkansen and JR lines).\n\n## Administrative divisions\n\nJapan consists of 47 prefectures; see the divisions section of the [[place_japan_country|Japan]] page for details by region.\n\n## Railway operators\n\n[[org_japan_jr_hokkaido|JR Hokkaido]], [[org_japan_jr_east|JR East]], [[org_japan_jr_central|JR Central]], [[org_japan_jr_west|JR West]], [[org_japan_jr_kyushu|JR Kyushu]], [[org_japan_jr_shikoku|JR Shikoku]]\n\n## Shinkansen\n\n[[concept_japan_shinkansen_tokaido|Tokaido]] (1964, 515.4 km), [[concept_japan_shinkansen_sanyo|Sanyo]] (1972, 553.7 km), [[concept_japan_shinkansen_tohoku|Tohoku]] (1982, 674.9 km), [[concept_japan_shinkansen_joetsu|Joetsu]] (1982, 269.5 km), [[concept_japan_shinkansen_hokuriku|Hokuriku]] (1997, extended to Tsuruga in 2024, 345.4 km), [[concept_japan_shinkansen_kyushu|Kyushu]] (2004-2011, 256.8 km), [[concept_japan_shinkansen_hokkaido|Hokkaido]] (2016, 148.8 km), [[concept_japan_shinkansen_nishikyushu|Nishi-Kyushu]] (2022, 66.0 km), and the [[concept_japan_shinkansen_yamagata|Yamagata]] and [[concept_japan_shinkansen_akita|Akita]] Mini-Shinkansen\n\n## Major conventional lines\n\n[[concept_japan_rail_yamanote|Yamanote Line]] (Tokyo loop, 34.5 km), [[concept_japan_rail_tokaido_main|Tokaido Main Line]] (Tokyo-Kobe, 589.5 km), [[concept_japan_rail_osaka_loop|Osaka Loop Line]] (21.7 km)\n\n## Urban transport\n\nSee the urban subway and bus overview page ([[concept_japan_transit_overview|link]]).",
    "url": "/concepts/japan-admin-rail-overview.html",
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