A micronation, sometimes referred to as a model country or new country project, is an entity that claims to be an independent nation or state but is not officially recognized by world governments or major international organizations.
Micronations are distinguished from imaginary countries and from other kinds of social groups (such as eco-villages, campuses, tribes, clans, sects, and residential community associations) by expressing a formal and persistent, even if unrecognized, claim of sovereignty over some physical territory.
Several micronations have issued coins, flags, postage stamps, passports...