This article refers to the City. For the Emperor of Brazil, please refer to Teodósio the First.

The capital city of the Empire of Brazil, located on the coast of the Empire. Teodósio is on the far western part of a strip of Brazil’s Atlantic coast (between a strait east to Ilha Grande, on the Costa Verde, and the Cabo Frio), close to the Tropic of Capricorn, where the shoreline is oriented east-west.