cldr-localenames-full/main/ss/territories.json

Translated versions of locale display name elements: languages, scripts, territories, and variants. (all locales)

{
  "main": {
    "ss": {
      "identity": {
        "version": {
          "_cldrVersion": "44.1"
        },
        "language": "ss"
      },
      "localeDisplayNames": {
        "territories": {
          "SZ": "eSwatini",
          "SZ-alt-variant": "eSwatini"
        }
      }
    }
  }
}