Transformation of urban centers in the middle reaches of the Arys river after the Arab conquest (Southern Kazakhstan)

The cities of the Arys River valley have undergone major changes in their topography over past two thousand years. Medieval urban centers south Kazakhstan are result urbanization processes second half 1st millennium – beginning 2nd AD. article presents data on geography studied region, which is middle reaches River. research methods mainly related to determination morphological features and high Middle Ages. also a brief analysis emergence after Arab conquest, namely cities, new structural elements. Special attention paid largest characteristic elements infrastructure appear form mosques, bazaars baths. At this time, fortification becoming more developed, being surrounded by walls, an attack warning system functioning. In Ages, due growth population themselves, production divided complex.