It encompasses the site of Hamamatsu Castle and Hamamatsu Station, the central business district and a number of high density residential areas.

Although its area is the smallest of the seven wards of Hamamatsu, it has the largest population.

It is bordered by Higashi-ku, Kita-ku, Minami-ku, and Nishi-ku.

Seien Girls' High School is located in the area.

International schools: This Shizuoka Prefecture location article is a stub.