The Patan Museum is a museum located in Patan, Lalitpur, Nepal. The museum falls under the UNESCO's World Heritage Sites. The Patan Museum was inaugurated in 1997 by Late King Birendra Bir Bikram Shah. The Patan Museum displays the traditional sacred arts of Nepal in an illustrious architectural setting. Its home is an old residential court of Patan Durbar, one of the royal palaces of former Malla Kings of the Kathmandu Valley. The royal palace was built in 1734, on the site of a Buddhist monastery. The museum quadrangle is known as Keshav Narayan Chowk.