Brihadeshwara Temple (Tamil:Peruvudaiyar Kovil) is a Hindu temple dedicated to Shiva located in Thanjavur in the Indian state of Tamil Nadu. It is also known as Periya Kovil, RajaRajeswara Temple and Rajarajeswaram. It is one of the largest temples in India and is an example of Dravidian architecture during the Chola period. Built by emperor Raja Raja Chola I and completed in 1010 AD, the temple turned 1000 years old in 2010. The temple is part of the UNESCO World Heritage Site known as the "Great Living Chola Temples", with the other two being the Brihadeeswarar Temple, Gangaikonda Cholapuram and Airavatesvara temple.