is a district located in Ibaraki Prefecture, Japan.
As of 2020, the district had an estimated population of 32,294, with a population density of 463,3 persons per km². The total area is 69.70 km². Annual population change between 2015 and 2020 was -0.61%.
Within the district, the Edo river flows into the Tone river.
Towns and villages Goka Sakai
Mergers On March 22, 2005, the town of Sashima merged with the neighboring city of Iwai forming the city of Bandō. On September 12, 2005, the towns of Sanwa and Sōwa merged into the city of Koga.
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