is a district located in Saitama Prefecture, Japan.
As of July 1, 2011, the district has an estimated population of 77,583 and a population density of 1,680 persons per km<sup>2</sup>. The total area is 46.22 km<sup>2</sup>.
There are two towns in the district.
- Matsubushi
- Sugito
The following cities were once part of the district, but have since merged into other towns:
- Parts of Kasukabe
- Kuki
- Misato
- Satte
- Yoshikawa
History
- April 1, 1964: The village of Shōwa gained town status.
- October 1, 1964: The village of Misato gained town status.
- April 1, 1969: The village of Matsubushi gained town status.
- May 3, 1972: The town of Misato gained city status.
- October 1, 1986: The town of Satte gained city status.
- April 1, 1996: The town of Yoshikawa gained city status.
- October 1, 2005: The town of Shōwa merged with the city of Kasukabe to form the new city of Kasukabe.
- March 23, 2010: The towns of Kurihashi and Washimiya, along with the town of Shōbu, from Minamisaitama District, merged with the city of Kuki to form the new city of Kuki.