Shinjuku Buildings

Shinjuku (新宿区, Shinjuku-ku^?) is one of the 23 special wards of Tokyo, Japan. It is a major commercial and administrative centre, housing the busiest train station in the world (Shinjuku Station) and the Tokyo Metropolitan Government Building, the administration centre for the government of Tokyo.

As of 2008, the ward has an estimated population of 312,418 and a population density of 17,140 persons per km². The total area is 18.23 km².