WHS containing a building of historic or architectural significance converted from its original use into a hotel. Building must be noteworthy enough for a visit on its own.
World Heritage Sites connected to 'Hotels in Historic Buildings':
Brugge Kempinski Duke's Palace Hotel is a former residence of the Dukes's of Burgundy; link
Budapest Hilton Budapest, in restored remains of a 13th-century Dominican cloister and monastery
Sofitel Santa Clara, in a former convent: "a jewel of 17th century colonial architecture which is on UNESCO’s list of World Heritage Sites. Gabriel Garcia Marquez used this convent as the setting for one of his novels, “Of Love and Other Demons”." (hotel website); link
Itchan Kala Orient Star Khiva, in the Medersa Mohammed Rakhim Khan
Matera "Hotel Sassi" in Sasso Barisano, Hotel "Locanda di San Martino", Sextantio Le Grotte della Civita