Kathmandu (Nepali: काठमाडौं [kɑ��mɑɳɖu]; Nepal Bhasa: येँ देय्) is the capital and largest urban agglomerate of Nepal. The agglomerate consists of Kathmandu Metropolitan City at its core, and its sister cities Patan, Kirtipur, Thimi, and Bhaktapur. It also includes the recently recognized urban areas of Shankhapur, Karyabinayak, and Champapur.Panauti, Dhulikhel, andBanepa are satellite urban areas of Kathmandu located just outside the Kathmandu valley. Kathmandu is also known informally as "KTM" or the "tri-city". According to a census conducted in 2011, Kathmandu metropolis alone has 2.5 million inhabitants, and the agglomerate has a population of more than 3 million inhabitants.The metropolitan city area is 50.67 square kilometres (19.56 sq mi)and has a population density of 3000per km² and 17000 per km square in city.