About Sagara
Sagara is a city located in the Indian state of Karnataka and it is also a sub divisional and a taluk headquarters. Located in the Western Ghats range, it is known for its proximity to Jog Falls and to the historical places of Ikkeri, Keladi and Varadamoola. The river Varada originates near Varada-moola. Sagara subdivision consists of Sagara, Soraba, Hosanagara and Shikaripur taluks.
Sagara derives its name from Sadashiva Sagar, which is a lake. Sadashiva Nayaka, ruler of Keladi dynasty built a lake in between Keladi and Ikkeri. Sadashiva Sagar is now called Ganapathi Kere (Ganapathi Lake). It is a subdivisional headquarters headed by a subdivisional magistrate and Fifth additional District Magistrate.
Source : Wikipedia