Austavian
Austavian is a term used primarily in fictional and speculative contexts to denote an inhabitant of Austavia, a created nation used in worldbuilding, games, and literature. As an adjective, Austavian describes things associated with Austavia or its culture and institutions.
In most worldbuilding uses, Austavia is imagined as a small European nation with a distinct national identity.
Austavian culture in fiction frequently foregrounds values such as civic participation, social welfare, and respect for
Outside fiction, Austavian is uncommon as a real-world demonym. It may appear in discussions on worldbuilding