Sirmaur District is the south-eastern district of Himachal Pradesh.
It includes the towns of Nahan (its capital), as well as the Shivalik Fossil Park at Suketi, where fossils of over 85 million years old have been found.
Hindi and Pahari are the languages spoken here. Nati is the popular folk dance.
Sirmur was surrounded by the hill states of Balsan and Jubbal in the North, the British district of Dehradun in the East, Ambala district in the South West, and the states of Patiala and Keonthal in the North-West.
Web : http://hpsirmaur.nic.in/