English: The Peruvudaiyar Koyil also known as Brihadeeswarar Temple and Rajarajeswaram, at Thanjavur in the Indian state of Tamil Nadu, is the world's first complete granite temple and a brilliant example of the major heights achieved by Cholas in Tamil architecture. It is a tribute and a reflection of the power of its patron RajaRaja Chola I. It remains India's largest temple and is one of the greatest glories of Indian architecture. The temple is part of the UNESCO World Heritage Site "Great Living Chola Temples".