core/homeassistant/components/airly/translations/el.json

{
    "config": {
        "error": {
            "invalid_api_key": "\u0386\u03ba\u03c5\u03c1\u03bf API \u03ba\u03bb\u03b5\u03b9\u03b4\u03af"
        }
    }
}