Daman and Diu is a district of the Dadra and Nagar Harveli and Daman and Diu union territory in western India. It was a separate union territory until January 26, 2020, later it is merged with Dadra and Nagar Haveli union territory to form a single UT due to its small landmass. With an area of 112 km, it was the smallest federal division of India on the mainland. The territory comprised two distinct regions Daman and Diu that are geographically separated by the Gulf of Khambhat