country-states/data/LU.json

database with countries and states

{
  "region": "Europe",
  "iso": "LU",
  "name": "Luxembourg",
  "hasPostalCodes": true,
  "states": [
    {
      "name": "Diekirch",
      "iso": "LU-D"
    },
    {
      "name": "Grevenmacher",
      "iso": "LU-G"
    },
    {
      "name": "Luxembourg",
      "iso": "LU-L"
    }
  ],
  "zipRegex": "^(\\d{4})$"
}