Nangai (南外村, Nangai-mura) was a village located in Senboku District, Akita Prefecture, Japan.
In 2003, the village had an estimated population of 4,529 and a density of 45.82 persons per km2. The total area was 98.85 km2.
On March 22, 2005, Nangai, along with the city of Ōmagari; and the towns of Kamioka, Kyōwa, Nakasen, Nishisenboku, Ōta and Semboku (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。