was a town located in Hikawa District, Shimane Prefecture, Japan.
As of 2003, the town had an estimated population of 4,415 and a density of 40.20 persons per km2. The total area was 109.83 km2.
On March 22, 2005, Sada, along with the city of Hirata, the towns of Koryō, Taisha and Taki (all from Hikawa District), was merged into the expanded city of Izumo.[1]