Sanctuary is located in Satara District in Western Maharashtra . Koyana wildlife sanctuary includes Eastern and Western catchments of Koyana dam. This dam is a major hydroelectric project centre in the Western Maharashtra. The sanctuary is well protected by the large extent of Shivasagar reservoir and steep Slopes of Western Ghats on both the sides. A vegetal cover corridor of Chandoli connects this protected area. It is bounded by Radhanagari wildlife sanctuary in south.