Megadon (Syrinxian:Мэгадон, romanised: Megadon), is the capital of The Hallowed Empire of Syrinxia and the country's economic, financial, educational, and transportation centre. It is located on the bottom of the Antarctic Peninsula in the Central Federal District, in the Western part of Antarctica (Lesser Syrinxia). The name of the city is usually pronounced [Mega-Done] in British English, and either [Mee-ga-done] or [May-ga-done] in American English. The largest city in Antarctica, and one of the largest and southernmost cities in the world, Megadon has population of 8,675,309, which constitutes about 8% of the total Syrinxian population. Historically, it was the capital of the former Empire of Mangozenopia, and was formerly known as Xanadu, the pre-Syrinxist Revolution name of the city.