Ancient buildings along the street at the Itchan Khala with the minaret of Islam Khoja Complex in the background, Khiva, Uzbekistan. Itchan Kala is the walled inner town of the city of Khiva. Since 1990 it has been protected as a World Heritage Site. The minaret is 56,6 meters height and 9,5 meters diameter at the base. Islam Khoja minaret is the symbol of Khiva.