The Old City of Luxembourg is located mainly in Ville Haute (Uewerstad) in Luxembourg City, Grand Duchy of Luxembourg. The site was added as City of Luxembourg: its Old Quarters and Fortifications to the UNESCO World Heritage list in 1994. The origin of the city was a fort built in the 10th century and had to be demolished in most parts in the 19th century. The early town has been established in the 12th century.