[
    {
        "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" }
                ]
            }
        ]
    }
]