Bhutan's landscape ranges from subtropical plains in the south to the Himalayan heights in the north, with some peaks exceeding 7,000 metres (23,000 ft). The state religion is Vajrayana Buddhism, and the population is predominantly Buddhist, with Hinduism being the second-largest religion. The capital and largest city is Thimphu. After centuries of direct monarchic rule, Bhutan held its first democratic elections in March 2008. Among other international associations, Bhutan is a member of the United Nations and the South Asian Association for Regional Cooperation (SAARC).