Kathmandu is and has been for many years the center of Nepal's history, art, culture and economy.
It has a multiethnic population within a Hindu and Buddhist majority.
According to Swayambhu Purana, present-day Kathmandu was once a huge and deep lake named "Nagdaha", as it was full of snakes.
The lake was cut drained by Bodhisatwa Manjusri with his sword, and the water was evacuated out from there.
It has been home to the headquarters of the South Asian Association for Regional Cooperation (SAARC) since 1985.
Today, it is the seat of government of the Nepalese republic established in 2008; and is part of the province 3 in Nepalese administrative geography.
The earliest Western reference to Kathmandu appears in an account of Jesuit Fathers Johann Grueber and Albert d'Orville.Kathmandu is also the largest metropolis in the Himalayan hill region.The city stands at an elevation of approximately 1,400 metres (4,600 feet) above sea level in the bowl-shaped Kathmandu Valley of central Nepal.Then lord Krishna came to Nepal, killed Banasur, and again drained out the water.He brought some Gopals along with him and made Bhuktaman the king of Nepal.The structure collapsed during a major earthquake on 25 April 2015.The colophons of ancient manuscripts, dated as late as the 20th century, refer to Kathmandu as Kāṣṭhamaṇḍap Mahānagar in Nepal Mandala. The city is called "Kāṣṭhamaṇḍap" in a vow that Buddhist priests still recite to this day. During medieval times, the city was sometimes called Kāntipur (कान्तिपुर).Religious and cultural festivities form a major part of the lives of people residing in Kathmandu.Tourism is an important part of the economy as the city is the gateway to the Nepalese Himalayas. In 2013, Kathmandu was ranked third among the top ten upcoming travel destinations in the world by Trip Advisor, and ranked first in Asia.) is the capital city of the Federal Democratic Republic of Nepal.It is the largest metropolis in Nepal, with a population of 1.5 million in the city proper, and 3 million in its urban agglomeration across the Kathmandu Valley, which includes the towns of Lalitpur, Kirtipur, Madhyapur Thimi, Bhaktapur making the total population to roughly 5 million people and the municipalities across Kathmandu valley.