Iwatsuki-ku, Saitama 3.4

Iwatsuki-ku is one of ten wards of the city of Saitama, in Saitama Prefecture, Japan, and is located in the northeastern part of the city., the ward had an estimated population of 109,901 and a population density of 2,240 persons per km². Its total area was 49.17sqkm.GeographyIwasuki Ward is within the Kanto plain, in the northeast portion of Saitama City.Neighboring MunicipalitiesIwatsuki-ku is surrounded by Minuma-ku (west), Midori-ku (southwest), and the cities of Kawaguchi (south), Koshigaya (southeast), Kasukabe (northeast), Shiraoka (north), and Hasuda (northwest).HistoryIwatsuki developed from the Muromachi period as a castle town next to Iwatsuki Castle and the center of Iwatsuki Domain under the Edo period Tokugawa shogunate. It was also a post town on the Nikkō Onari Kaidō connecting Edo with Nikko.