[
   {
      "name": "Vavaʻu",
      "isoCode": "05",
      "countryCode": "TO"
   },
   {
      "name": "Tongatapu",
      "isoCode": "04",
      "countryCode": "TO"
   },
   {
      "name": "Haʻapai",
      "isoCode": "02",
      "countryCode": "TO"
   },
   {
      "name": "Niuas",
      "isoCode": "03",
      "countryCode": "TO"
   },
   {
      "name": "ʻEua",
      "isoCode": "01",
      "countryCode": "TO"
   }
]