Some of those that remained Presence loyal to Russia were settled Removing into the lowlands , the left-bank of the Kuban River .

This region consisted for the most part of the region between the westward flowing Motion Kuban River to the north and the Caucasus mountain range to the south , although the Kuban River constituted only part of the northern boundary .

This region consisted for the most part of the region between the westward flowing Motion Kuban River to the north and the Caucasus mountain range to the south , although the Kuban River constituted only part of the northern boundary .