Nepal (Nepali: नेपाल), officially the Federal Democratic Republic of Nepal, is a landlocked country located in South Asia. With an area of 147,181 square kilometres (56,827 sq mi) and a population of approximately 27 million, Nepal is the world's 93rd largest country by area and the 41st most populous country. It is located in the Himalayas and bordered to the north by China and to the south, east, and west by India. Nepal is separated from Bangladesh by the narrow Indian Siliguri Corridor and from Bhutan by the Indian state of Sikkim. Kathmandu is the nation's capital city and largest metropolis.