Sayamagaoka Station is a passenger railway station located in the city of Tokorozawa, Saitama, Japan, operated by the private railway operator Seibu Railway.

Tokorozawa is a city located in Saitama Prefecture, Japan. As of 1 February 2024, the city had an estimated population of 343,298 in 168,939 households and a population density of 4761 persons per km². The total area of the city is 72.11 square kilometres (27.84 sq mi).