Nishisenboku (西仙北町, Nishisenboku-machi) was a town located in Senboku District, Akita Prefecture, Japan.
In 2003, the town had an estimated population of 10,333 and a density of 61.36 persons per km2. The total area was 168.40 km2.
On March 22, 2005, Nishisenboku, along with the city of Ōmagari; the towns of Kamioka, Kyōwa, Nakasen, Ōta and Semboku; and the village of Nangai (all from Senboku District), merged to create the city of Daisen.[1]
大仙市は、2005(平成17)年3月22日に大曲市、神岡町、西仙北町、中仙町、協和町、南外村、仙北町、太田町の1市6町1村が合併し誕生しました。