Brihadishvara Temple, called Rajarajesvaram by its builder, and known locally as Thanjai Periya Kovil and Peruvudaiyar Kovil, is a Shaivite Hindu temple built in a Chola architectural style located on the south bank of the Cauvery river in Thanjavur, Tamil Nadu, India.

Brihadeeswarar temple is the first complete granite temple in the world. Around 60,000 tons of granite is said to be used to build the temple. Brihadeeswarar temple, also known as the Tanjore big temple expounds the number of alphabets in Tamil by the distance and height it is designed.