Kosudo, Niigata
Kosudo (小須戸町, Kosudo-machi) was a town located in Nakakanbara District, Niigata, Japan.
As of 2003, the town had an estimated population of 10,256 and a density of 606.5 persons per km². The total area was 16.91 km².
On March 21, 2005 Kosudo, along with the towns of Kameda and Yokogoshi, all from Nakakanbara District, the town of Nishikawa, the villages of Ajikata, Iwamuro, Katahigashi, Nakanokuchi and Tsukigata, all from Nishikanbara District, and the cities of Niitsu, Shirone and Toyosaka, was absorbed by the expanded city of Niigata. As of April 1, 2007, the area is part of the Akiha-ku ward.