About Diu
Diu is a 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. . Diu will be competing for the one of the last 10 spots against 20 cities from across India. In April 2018, it was reported that the Diu Smart City has already become India's first city to run on 100 percent renewable energy during the daytime.
Source: Wikipedia