Koi Krylgan Kala

41.75527777777861.116944444444Koordinaten: 41 ° 45 ' 19 " N, 61 ° 7' 1" O

Qoy Qırılg'an Qala (also Koj - Krylgan -Kala ) is a place in Khorezm in the Autonomous Republic of Karakalpakstan in Uzbekistan today. It is located in the district Tortkol, in the Kyzyl Kum desert.

In Qoy Qırılg'an Qala a large round fortified complex was excavated, which is perhaps concerned about the grave system of some ruler of Khorezm. The building dates to the fourth-third century BC, but was inhabited until the second century AD. There were three layers can be distinguished.

The settlement is circular and surrounded by a strong wall, which had eight towers. Was located on the site of a ninth tower of the entrance with an upstream, walled courtyard. Outside the complex was surrounded by a moat, which was about 15 m wide and 3 m deep. In the center of the complex was a powerful round indoor building with various underground chambers, where it could possibly acted to the grave lay choresmischer kings. Between this building and the exterior walls were found commercial and residential installations. The building was built of rammed earth. There were very many vaulted ceilings.

The plant was excavated in 1951 and 1957 by a Soviet expedition led by Sergei Pavlovich Tolstov.