Puducherry (PDY), formerly known as Pondicherry is a Union Territory of India. It was formed out of four exclaves of former French India, namely Puducherry, Karaikal, Yanam and Mahe. It is named after the largest district Puducherry. Historically known as Pondicherry (Pāṇṭiccēri), the territory changed its official name to Puducherry (Putuccēri) on 20 September 2006.
Puducherry lies in the southern part of the Indian Peninsula. The areas of Puducherry and Karaikal are bound by the state of Tamil Nadu, while Yanam and Mayyazhi (Mahe) are enclosed by the states of Andhra Pradesh and Kerala respectively. Puducherry is the 29th most populous and the third most densely populated state/UT in India. It has a GDP of ₹0.21 lakh crore (US$3.1 billion) and ranks 27th in India.