Una lies in the western part of Himachal Pradesh, with the Sivalik Hills of the Himalayas rolling on the western side and Solah Singhi range on the eastern side.

The Satluj river alongside Shahtalai, known for the shrine of Baba Balak Nath passes through south of district near Nangal Dam and Beas passes at the north of district near Pong Dam, Talwara.

[1] According to the 2011 census, Una district has a population of 521,173,[3] giving it a ranking of 543rd in India (out of a total of 640).

[3] The district has a population density of 338 inhabitants per square kilometre (880/sq mi).

[5] This is the list of current Member of Legislative Assembly from Una district: