Kanazawa-ku 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 209,565 and a density of 6,760 persons per km². The total area was 31.01 km2. The ward symbol, established 1987, expresses the image of sea, waves, and a sea gull.