Khiva is once largest city of Khorezm khanate, which was founded in the 7-6 centuries B.C. in the territories of modern Karakalpakstan and Turkmenistan. The city is located to south-west from Urgench, near borders with Turkmenistan. The city was one of main centers of the Great Silk Road. In the 16th century, after direction of Amurdarya river changed and destroyed previous capital of Khorezm, Gyrandj (now Urgench), it became the capital of Khiva Khanate and the Timurids dynasty. Khiva is divided into two parts – Ichan Kala (inner city) and Dishan Kala (external city). Majority of architectural sites are located in Ichan Kala, which is included to the UNESCO World Heritage List.