is a district located in eastern Saitama Prefecture, Japan.
As of 2003, the district has an estimated population of 130,305 and a population density of 629.34 persons per km<sup>2</sup>. The total area is 207.05 km<sup>2</sup>.
Towns
- Yorii
Mergers
- On October 1, 2005, the towns of Ōsato and Menuma merged into the city of Kumagaya.
- On January 1, 2006, the towns of Hanazono, Kawamoto and Okabe merged into the city of Fukaya.