The XI-XIV centuries are the unique period in the Caucasus’ medieval history with emerging complicated and contradictory relationships between two worlds, the local agricultural one and the incoming nomadic one. The Seljuk Turks had initiated unending inflow of nomadic masses. They were followed by the Mongols in the XIII century who were trailed by new tribes. The continuous influx of large groups of nomads became a serious impediment on the way to political consolidation and economical development of the «Caucasian cultural world».