Diu, also known as Diu Town, is a medieval fortified town in Diu district in the union territory of Dadra and Nagar Haveli and Daman and Diu, India. Diu district is the tenth least populated district of India. The town of Diu lies at the eastern end of Diu Island and is known for its fortress and old Portuguese cathedral. It is a fishing town.

National Smart Cities Mission is an urban renewal and retrofitting program by the Government of India with the mission to develop smart cities across the country, making them citizen friendly and sustainable. The Union Ministry of Urban Development is responsible for implementing the mission in collaboration with the state governments of the respective cities. The mission was planned to include 100 cities, with the deadline for completion of the projects set between 2019 and 2023. As of September 2023, 6188 out of total 7960 tendered projects have been completed, utilizing ₹113,721 crores out of total tendered amount of ₹171,432 crore.