 Situated in approximately the center of Saitama Prefecture, the city is topographically comprised by lowlands and plateaus, at mostly less than 20 m above sea level, with no mountain ranges or hills within the city boundaries.The western portion of the city lies on the lowland created by the Arakawa River along with those created by small rivers such as the Moto-Arakawa River, Shiba River, and Ayase River.The rest of the area mostly resides on the Ōmiya Plateau lying in the north-south direction.