Daman district is one of the two districts of the union territory of Daman and Diu on the western coast of India, surrounded by Valsad District of Gujarat state on the north, east and south and the Arabian Sea to the west. The district has an area of 72 square kilometres (28 sq mi), and a population of 191,173 at the 2011 census, an increase of 69.256% from the preceding 2001 Census.
Daman lies at the mouth of the Daman Ganga River. Major industries have units here. The closest railway station is Vapi (7 km). It is also famous for its beach, Portuguese colonial architecture, churches, and for the scenic beauty in the twin towns of Nani-Daman and Moti-Daman, which lie opposite each other across the Daman Ganga.