The district of Karur is situated along the river basins of Kaveri and Amaravathi Rivers. The main administrative centre for the district of Karur is the city of Karur itself. The district has the oldest city of the state in the form of Karur and is one of the most historically important districts for the state of Tamil Nadu. The district was under the rule of the Gangas, the Cholas and the Cheras during the medieval times. The district was an important part of the Kongu Nadu civilisation that grew up in this area. The district has an area of approximately 2901 sq km with a population of about 10.7 lacs individuals. The district of Karur has a population density of approximately around about 371 people per sq km of the area. The majority of the population of Karur is dependent on agriculture for survival. Main agricultural crops are paddy, sugarcane, grams, oilseeds, etc.