Sikkim is a state in northeastern India that borders Tibet, Bhutan, Nepal, and West Bengal. It is the least populous and second smallest of India's states. Sikkim has a diverse landscape ranging from subtropical to alpine climates and is home to Kangchenjunga, the highest peak in India. The predominant religions are Hinduism and Vajrayana Buddhism, and the capital and largest city is Gangtok. Sikkim has a largely agriculture-based economy that is also dependent on tourism.