You don’t need an adress, but for project you need to create an iNat place if there’s none, for that you choose “other - places”, there click on create a new place, you need a kml file for that, it can be downloaded or created e.g. in Google Earth.
https://forum.inaturalist.org/t/how-to-get-kml-boundaries-for-inat-places-wiki/3750
3 Likes