Ariyalur is a district located in the state of Tamil Nadu, India. It is situated in the central part of the state and covers an area of approximately 1,949 square kilometers. The district headquarters is the town of Ariyalur.

Ariyalur district is known for its rich cultural and historical heritage. It has several ancient temples and archaeological sites that attract tourists and history enthusiasts. The district is also famous for its limestone deposits, which are used in the cement industry.

Arulmigu Peruvudaiyar Temple, Gangaikonda Cholapuram
Brihadeeswara Temple
Karaivetti Bird Sanctuary
Periyanayaki Amman Kovil
Lower Anaicut
Ponneri Lake