[
  {
    "province": "กรุงเทพมหานคร",
    "districts": [
      {
        "district": "ห้วยขวาง",
        "subdistricts": [
          {"subdistrict": "แขวงห้วยขวาง", "postcode": "10310"},
          {"subdistrict": "แขวงลาดพร้าว", "postcode": "10320"}
        ]
      },
      {
        "district": "บางรัก",
        "subdistricts": [
          {"subdistrict": "แขวงบางรัก", "postcode": "10500"}
        ]
      },
      {
        "district": "บางนา",
        "subdistricts": [
          {"subdistrict": "แขวงบางนา", "postcode": "10260"}
        ]
      }
    ]
  },
  {
    "province": "เชียงใหม่",
    "districts": [
      {
        "district": "เมืองเชียงใหม่",
        "subdistricts": [
          {"subdistrict": "แขวงเมืองเชียงใหม่", "postcode": "50200"},
          {"subdistrict": "แขวงช้างเผือก", "postcode": "50230"}
        ]
      },
      {
        "district": "หางดง",
        "subdistricts": [
          {"subdistrict": "แขวงหางดง", "postcode": "50230"}
        ]
      }
    ]
  },
  {
    "province": "ภูเก็ต",
    "districts": [
      {
        "district": "เมืองภูเก็ต",
        "subdistricts": [
          {"subdistrict": "แขวงเมืองภูเก็ต", "postcode": "83000"}
        ]
      },
      {
        "district": "กะทู้",
        "subdistricts": [
          {"subdistrict": "แขวงกะทู้", "postcode": "83120"}
        ]
      }
    ]
  },
  {
    "province": "นครราชสีมา",
    "districts": [
      {
        "district": "เมืองนครราชสีมา",
        "subdistricts": [
          {"subdistrict": "แขวงเมืองนครราชสีมา", "postcode": "30000"},
          {"subdistrict": "แขวงหนองบัว", "postcode": "30100"}
        ]
      },
      {
        "district": "ครบุรี",
        "subdistricts": [
          {"subdistrict": "แขวงครบุรี", "postcode": "30270"}
        ]
      }
    ]
  },
  {
    "province": "สมุทรปราการ",
    "districts": [
      {
        "district": "เมืองสมุทรปราการ",
        "subdistricts": [
          {"subdistrict": "แขวงเมืองสมุทรปราการ", "postcode": "10270"}
        ]
      },
      {
        "district": "บางพลี",
        "subdistricts": [
          {"subdistrict": "แขวงบางพลี", "postcode": "10540"}
        ]
      }
    ]
  }
]