Karasuyama, Tochigi
Karasuyama was a town located in Nasu District, Tochigi Prefecture, Japan.
As of 2003, the town had an estimated population of 18,799 and a density of 202.44 persons per km2. The total area was 92.86 km2.
On October 1, 2005, Karasuyama, along with the town of Minaminasu, was merged to create the city of Nasukarasuyama and no longer exists as an independent municipality.