Tamagusuku was a village located in Shimajiri District, Okinawa Prefecture, Japan. As of 2003, the village had an estimated population of 10,486 and a density of 621.58 persons per km2. The total area was 16.87 km2. On January 1, 2006, Tamagusuku, along with the town of Sashiki, and the villages of Chinen and Ōzato, was merged to create the city of Nanjō.