Oku, Okayama

Oku (邑久町) was a town located in Oku District, Okayama Prefecture, Japan.

As of 2003, the town had an estimated population of 19,389 and a density of 282.19 persons per km2. The total area was 68.71 km2.

On November 1, 2004, Oku, along with the towns of Osafune and Ushimado (all from Oku District), was merged to create the city of Setouchi.