Ryūō, Yamanashi
Ryūō was a town located in Nakakoma District, Yamanashi Prefecture, Japan.
As of 2003, the town had an estimated population of 40,969 and a density of 3,200.70 persons per km². The total area was 12.80 km².
On September 1, 2004, Ryūō, along with the town of Futaba, and the town of Shikishima, was merged to create the city of Kai.
