With Tokyo home to 13 million people, and Shinjuku known as the noisiest and most crowded of its 23 special wards, Ni-chōme further distinguishes itself as Tokyo's hub of gay subculture, housing the world's highest concentration of gay bars. Shinjuku Ni-chōme (新宿二丁目), referred to colloquially as Ni-chōme or simply Nichō, is Area 2 in the Shinjuku District of the Shinjuku Special Ward of Tokyo, Japan.