Puducherry (/ˌpʊdʊˈtʃɛri/; Tamil: [puðut͡ːʃeːɾi]), also known as Pondicherry (/ˌpɒndɪˈtʃɛri/; Tamil: [paːɳɖit͡ːʃeːɾi]), is a union territory of India, consisting of four small geographically unconnected districts. It was formed out of four territories of former French India, namely Pondichéry (now Puducherry), Karikal (Karaikal), Mahé and Yanaon (now Yanam), excluding Chandannagar (Chandernagore), and it is named after the largest district, Puducherry, which was also the capital of French India. Historically known as Pondicherry (Pāṇṭiccēri), the territory changed its official name to Puducherry on 1 October 2006.[9][10]
The Union Territory of Puducherry lies in the southern part of the Indian Peninsula. The areas of Puducherry district and Karaikal district are bound by the state of Tamil Nadu, while Yanam district and Mahé district are enclosed by the states of Andhra Pradesh and Kerala, respectively. Puducherry is the 29th most populous of the 36 states and union territories of India, and the third most densely populated union territory. It has a gross domestic product (GDP) of ₹210 billion (US$2.5 billion) and ranks 25th in India.[11]