Nepal, officially Kingdom of Nepal, constitutional monarchy in South Asia. Locked within the rugged ranges of the Himalayas, Nepal is bounded by the Tibet region of China on the north and India on the south, east, and west. It was cut off from the rest of the world until the early 1950s, when a palace revolution and the subsequent overthrow of the autocratic Rana dynasty marked the beginning of Nepal’s emergence into the modern world. Kathmandu is the capital and largest city.