Kaihimmakuhari Station is a passenger railway station located in Mihama-ku, Chiba city, Chiba Prefecture, Japan, operated by the East Japan Railway Company.

Mihama Ward is one of the six wards of the city of Chiba in Chiba Prefecture, Japan. As of April 2012, the ward had an estimated population of 149,314 and a population density of 7,060 persons per km2. The total area was 21.16 km2.