Puducherry, also called Pondicherry, city, capital of Puducherry union territory, southeastern India. the town constitutes an enclave surrounded by Tamil Nadu state, on the Coromandel Coast of the Bay of Bengal, 105 miles (170 km) south of Chennai (Madras). It originated as a French trade centre in 1674, when it had been purchased from an area ruler.
The colony of Pondicherry (now Puducherry union territory) was the scene of frequent fighting between the French and Dutch within the late 17th century, and it had been occupied several times by British troops. However, it remained a French colonial possession until it had been transferred to India in 1962.
Puducherry is now a seaside tourist resort and an administration centre for the union territory. It contains the Pondicherry University (established 1985) and a number of other colleges affiliated with the University of Madras in Chennai. The Hindu ashram (religious retreat) of Shri Aurobindo is within the city, and Auroville (established 1968), a world township and study centre named for him, is simply to the north. Pop. (2001) city, 220,865; urban agglom., 505,959; (2011) city, 244,377; urban agglom., 657,209.