Sayama is a city located in the Saitama Prefecture of Japan. It serves as a residential and urban center within the region, characterized by its specific geographic boundaries and demographic layout.
As of January 1, 2021, the city had an estimated population of 149,826 people residing in 69,859 households. The total area of Sayama covers 45.51 square kilometres (17.57 sq mi), resulting in a population density of approximately 3,100 persons per km².