Ōuda (大宇陀町) was a town located in Uda District, Nara Prefecture, Japan. As of 2005, the town had an estimated population of 8,647 and a density of 182.27 persons per km2. The total area was 47.44 km2. On January 1, 2006, Ōuda, along with the towns of Haibara and Utano (all from Uda District), was merged to create the city of Uda. The town of Ōuda lies in a valley between two long mountain ranges in northeastern Nara, Japan. A three-mile long stretch of national routes 166 and 370 in the southern part of the town is where most of the businesses and homes are clustered. A large portion of flat land north on route 370 is less densely populated, covered mostly by rice fields. A large torii, or Japanese Gate, rises out of the rice paddies.