Cuddalore is a coastal district located in the southern part of the Indian state of Tamil Nadu. The district headquarters is the city of Cuddalore. The district is known for its beautiful beaches, ancient temples, and historic monuments.

Some important cities and towns in the Cuddalore district include Cuddalore, Chidambaram, Panruti, Neyveli, and Vriddhachalam. The district is also known for its famous temple towns like Chidambaram, Nataraja Temple, and Parangipettai.

The economy of the Cuddalore district is mainly driven by agriculture, fishing, and small-scale industries. The district is known for its production of cashew nuts, sugarcane, and rice.

The Cuddalore district is also home to several educational institutions, including the Annamalai University, which is one of the largest universities in Tamil Nadu.

Tourism is an important industry in the Cuddalore district, with popular attractions including the Silver Beach, Pichavaram Mangrove Forest, and the Padaleeswarar Temple in Cuddalore.