NāhanNahantown, city, southern Himāchal Himachal Pradesh state, northwestern India. It lies south-southeast of SimlaShimla, the state capital, at the foot of the Siwālik Siwalik (Shiwalik) Range and is a trade centre for agricultural produce and timber. Its industries include handweavinghand weaving, wood carving, and ironworkingiron working. Nāhan Nahan was the capital of the Punjab Hill State of Sirmūr Sirmur (Sirmaur) during the British rule in India. Pop. (1991 prelim.2001) 2126,867053.