Nepal , officially the Federal Democratic Republic of Nepal, is a landlocked country in South Asia with a population of 26.4 million. It is a multiethnic nation with Nepali as the official language. Kathmandu is the nation's capital and largest city. Modern Nepal is a secular parliamentary republic. Nepal is bordered by China to the north and India to the south, east, and west. It is separated from Bangladesh by a narrow Indian corridor and from Bhutan by the Indian state of Sikkim. Nepal is located in the Himalayas and is home to eight of the world's ten tallest mountains, including Mount Everest, the highest point on Earth. Its southern Madhesh region is fertile and humid. The country has an area of 147,181 square kilometres , making it the world's 93rd largest country by area. It is also the 41st most populous country.