Kabul is the capital city of Afghanistan, located in the eastern part of the country. It sits at an elevation of about 1,800 meters (5,900 feet) in a valley surrounded by the Hindu Kush mountains. With a population of over 4 million people, Kabul is the largest city in Afghanistan and serves as its political, cultural, and economic center. The city has a rich history that dates back over 3,500 years, making it one of the oldest continuously inhabited cities in the world. Kabul has seen various empires and cultures, including the Mughal Empire and the British Empire, which have influenced its architecture and traditions. Today, it is a hub for trade and education in the region.