Tonbara, Shimane
Tonbara was a List of [towns in Japan|town] located in Iishi [District, Shimane|Iishi District], Shimane Prefecture, Japan.
As of 2003, the town had an estimated population of 2,968 and 2300.77 persons per km2. The total area was 1.29 km2.
On January 1, 2005, Tonbara, along with the town of Akagi, was merged to create the town of Iinan.