Harihara ([harihəra] also called Harihar) is a city in Davanagere District in the Indian state of Karnataka. It is the administrative headquarters of the Harihara Taluk. Harihara is famous for Harihareshwara temple, also known as "Dakshina Kashi", and as the "Industrial Hub of central Karnataka."
Harihara is situated on the banks of the Tungabhadra River, 275 kilometres north of Bangalore. Harihar and Davangere (14 km away) are referred as "twin cities". Harihar is connected by road and railway, and is located on national Highway 4 (Puna – Bangalore). It has a very pleasant climate year round. The major lifeline of this city is the Tungabhadra river, which is being exploited and polluted as a result of heavy industrialization.