Karur is a district located in the western part of the Indian state of Tamil Nadu. The district headquarters is the city of Karur, which is known for its textile industry and ancient temples.

Karur district is bordered by the districts of Namakkal, Tiruchirappalli, Dindigul, and Erode. The district is known for its textile industry, particularly for its production of cotton sarees and bedsheets. The district is also known for its ancient temples, including the Kalyana Venkataramasami Temple, the Karur Pasupathieswarar Temple, and the Narthamalai Temple.

Important towns and cities in the district include Karur, Kulithalai, and Krishnarayapuram. The district is also known for its natural beauty, with several scenic spots in the area, including the Kaveri River and the Kalyana Theertham Falls. The district is also home to several educational institutions, including the Government Arts College, Karur and the Bharath Polytechnic College.

Tourism is an emerging industry in the district, with popular attractions including the Karur Handloom Weavers Cooperative Society, the Narthamalai Temple, and the Kalyana Venkataramasami Temple. The district is also known for its cuisine, with specialties such as karur biryani, idli, and dosa.