Khiva (Хива, خیوه; Persian: خیوه, Xīveh; alternative or historical names include Orgunje,Kheeva, Khorasam, Khoresm, Khwarezm, Khwarizm, Khwarazm, Chorezm, Arabic: خوارزم and Persian: خوارزم) is a district-level city of approximately 93,000 people in Khorazm Region, Uzbekistan. According to archaeological data, the city was established around 1500 years ago. It is the former capital of Khwarezmia, the Khanate of Khiva, and the Khorezm People's Soviet Republic. Itchan Kala in Khiva was the first site in Uzbekistan to be inscribed on the World Heritage List (1991). The astronomer, historian and polymath, Al-Biruni (973–1048 CE) was born in either Khiva or the nearby city of Kath.