Fictional Empires:
Incan Empire The Incans control South America.
Atlantis The island of Atlantis is rediscovered in the central North Atlantic Ocean.
Algarve
Double sized Madagascar, moved south into the temperate zone.
Zealandia
Lost continent of
Zealandia raised from the dead off the coast of Australia.
Tyrrhennia Fictional Mediterranean Sea divider of islands.
Panganaea Fictional North West Pacific sub-continent