Nepal is a Himalayan country located between China and India. It has extreme biodiversity ranging from the Himalayas with Mount Everest to subtropical forests. Nepal is also known for its many UNESCO World Heritage sites and pilgrimage sites, and offers opportunities for adventure sports like rafting and trekking in the mountains. The population is around 30 million people within an area of 147,181 square kilometers. The capital is Kathmandu and the official language is Nepali, though English is also widely understood.