Kara Mustafa led several successful campaigns into Ukraine, attempting to shore up the position of the Cossack state of Right-Bank Ukraine, then an Ottoman vassal. He established Ottoman garrisons in many of Ukraine's cities, and conquered the traditional Cossack capital of Chyhyryn, which had been under Russian occupation.
Kara Mustafa led several successful campaigns into Ukraine, attempting to shore up the position of the Cossack state of Right-Bank Ukraine, then an Ottoman vassal. He established Ottom,an garrisons in many of Ukraine's cities, and conquered the traditional Cossack capital of Chyhyryn which had been under Russian occupation.