Sirmaur district is the southernmost district in the Himalayan state of Himachal Pradesh, India. It is largely mountainous and rural, with 90% of its population living in villages. The district capital is the town of Nahan. Some other towns include Paonta Sahib, Lana Palar, Tuheri, Bhawan, Sirmaur, Shamra, UchaTikker and Suketi - the last being known for Shivalik Fossil Park. Culturally, it is a part of the historical Mahasu region.
Geography
There are seven tehsils in this district: Nahan, Renuka, Kamrau, Shillai, Rajgarh, Pachhad, and Paonta Sahib. The Giri River divides the district into two almost equal parts: Giripar and Giriaar. The major towns are Nahan, Paonta Sahib, Rajgarh, and Shillai. Rajgarh is the biggest village of Sirmour district.
History
After the Independence of India, the Sirmur princely state was merged into India, and reconstituted as a district of the Himachal Pradesh state on April 15, 1948.
Demographics
According to the 2011 Census of India, Sirmaur district has a population of 529,855, which placed it 542nd in India (out of a total of 640). The district had a population density of .
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