Operating under a constitutional monarchy, it consists of dozens of properties that have declared themselves independent under the leadership of a house in the London Borough of Sutton.

[2][3][4][5][6][7][8][9][excessive citations] Drawing from the medieval idea of Translatio imperii, Austenasia claims to be a successor of the Roman Empire (specifically its later Christian phase) and has increasingly adopted Roman-themed elements such as Consuls and a Senate.

Terry abdicated in February 2010, and was succeeded by Emperor Esmond III, who after a "civil war" and various internal disputes was replaced by a new leader, Declan MacDonagh, in December later that year.

[12] Jonathan then became emperor after Declan abdicated in January 2013 for personal reasons,[13] and began a program of expansion which has seen people from across the world join the micronation by claiming properties which they live in or regularly visit.

In April 2024, Jonathan withdrew from a leadership position, handing over responsibility for running the micronation to a Prince Regent, Aggelos I.