The Thanjavur district is famously known as the "Granary of South India", since the rule of Chola dynasty.This district lies at the Kaveri delta region, the most fertile region in the Tamil Nadu state. The district is the main rice producing region in the state and therefore known as "Rice Bowl of Tamil Nadu". Kaveri River and its tributaries are the main source of irrigation in Thanjavur district. Farmers also grow coconut and sugarcane and it is the largest producer of coconut in Tamil Nadu.