Yokohama Station is a major interchange railway station in Nishi-ku, Yokohama, Japan. It is the busiest station in Kanagawa Prefecture and the fifth-busiest in the world as of 2013, serving 760 million passengers a year.

Nishi-ku (西区) is one of the 18 wards of the city of Yokohama in Kanagawa Prefecture, Japan. As of 2010, the ward had an estimated population of 93,027 and a density of 13,210 persons per km². The total area was 7.04 km².