In the 1560s Ivan and Temryuk directed forts to be constructed Building , including Tumnev at the western end of Circassian lands and at Sunzha Ostrog at the mouth of the Sunzha river , at the eastern end Process_end of Circassian lands in Kabardia .

In the 1560s Ivan and Temryuk directed forts to be constructed Building , including Tumnev at the western end of Circassian lands and at Sunzha Ostrog at the mouth of the Sunzha river , at the eastern end Process_end of Circassian lands in Kabardia .