Raigad district (Marathi pronunciation: [ɾaːjɡəɖ]), previously Colaba district, is a district in the Konkan division of Maharashtra, India. The district was renamed to Raigad after the fort that was the first capital of the former Maratha Empire, which in turn was renamed from its earlier name - Rairi. The fort is located in the interior regions of the district, in dense forests on a west-facing spur of the Western Ghats of Sahyadri Range. In 2011 the district had a population of 2,634,200, compared to 2,207,929 in 2001. The name was changed in the regime of Chief Minister A. R. Antulay on 1 January 1981. In 2011 urban dwellers had increased to 36.91% from 24.22% in 2001. Alibag is the headquarters of Raigad district. Raigad district's neighbouring districts are Mumbai, Thane districts on North, Pune district on East, Satara district on South East, Ratnagiri district is present on South side and Arabian sea on West.
