What is the land form of Kathmandu?

The Kathmandu Valley is a bowl-shaped valley in central Nepal. It is surrounded by mountains and is drained by the Bagmati River. The valley is about 20 km long and 15 km wide, and its elevation ranges from 1,300 to 1,450 m above sea level. The Kathmandu Valley is home to the city of Kathmandu, the capital of Nepal, as well as the cities of Lalitpur and Bhaktapur. The valley is a densely populated area, with over 2.5 million people living in the Kathmandu Metropolitan Area. The Kathmandu Valley is a popular tourist destination, and it is home to many UNESCO World Heritage Sites, including the Kathmandu Durbar Square, the Pashupatinath Temple, and the Swayambhunath Stupa.