Tamil Nadu is divided into 38 districts, each with its own administrative headquarters. Ariyalur is a district located in the central region of the state of Tamil Nadu in southern India. It is situated on the banks of the River Kollidam, a tributary of the River Cauvery.

Geography: Ariyalur district has an area of 1,949 square kilometers and is located in the Cauvery River basin. The district is bordered by the districts of Perambalur to the north, Thanjavur to the east, Tiruchirappalli to the south, and Cuddalore to the west. The district has a semi-arid climate, with hot summers and moderate rainfall.

Demographics: As of the 2011 census, Ariyalur district had a population of 754,894, with a sex ratio of 1,007 females per 1,000 males. The district has a literacy rate of 70.39%, with male literacy at 79.02% and female literacy at 61.26%. The district is predominantly rural, with agriculture as the primary occupation.

Economy:
Agriculture is the mainstay of the district’s economy, with paddy, sugarcane, and groundnuts being the major crops. The district also has deposits of limestone, which is used in the cement industry. The Ariyalur Cement Factory, which is owned by the Tamil Nadu Cement Corporation, is located in the district.

Tourism:
Ariyalur district has several ancient temples, including the Shri Kaliyuga Varadharaja Perumal Temple and the Thirumazhapadi Thirumakaleeswarar Temple. The district is also known for its rich fossil wealth, with several sites containing fossils of prehistoric creatures. The Ariyalur Fossil Tree Park is a popular tourist destination in the district.

Culture:
Ariyalur district has a rich cultural heritage, with several ancient temples and traditions. The district is known for its traditional dance forms, including the Karakattam and Kummi dances. The district is also known for its unique cuisine, which includes dishes like Ariyalur Kozhi Varuval and Ariyalur Mutton Curry.

In recent years, Ariyalur has become a popular destination for tourists, thanks to its scenic beauty, cultural heritage, and rich history. The district offers visitors a unique blend of natural beauty, religious sites, and traditional handicrafts, making it a must-visit destination for anyone travelling to Tamil Nadu.