homeassistant/.storage/core.area_registry

{
    "version": 1,
    "key": "core.area_registry",
    "data": {
        "areas": [
            {
                "name": "Living Room",
                "id": "5c6c9f7bb2af43a4afa8851308f8e10a"
            },
            {
                "name": "Kitchen",
                "id": "82805bb0656b443ea5c7fdc7a762a7aa"
            },
            {
                "name": "Bedroom",
                "id": "13ef8995699f4a04b79b02119ba2d2dd"
            },
            {
                "name": "Outside",
                "id": "2db036c4c7fcbe96bbf9e7f8b76ad207"
            }
        ]
    }
}