was a town located in Mikata District, Hyōgo Prefecture, Japan.
Etymology Onsen is the Japanese word for hot springs and the town is named for Yumura Onsen, the local hot springs.
Population As of 2003, the town had an estimated population of 7,087 and a density of 51.35 persons per km2. The total area was 138.02 km2.
Merge On October 1, 2005, Onsen, along with the town of Hamasaka (also from Mikata District), was merged to create the town of Shin'onsen.
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