Sammu

Sanmu (山武市, Sanmu-shi) is a city located in Chiba Prefecture, Japan. As of 1 November 2020, the city had an estimated population of 50,321 in 22,397 households and a population density of 340 inhabitants per square kilometre (880/sq mi). The total area of the city is 146.38 square kilometres (56.52 sq mi).