As of 2016, Islam was the religion of 1.1% of the population of Ukraine. Muslims are mostly concentrated in Donbass, where they make up 6.0% of the population. In the same year, there are 229 registered Islamic organizations. In Crimea, which in 2014 was annexed by Russia, Crimean Tatar Muslims make up to 25% of the population. A major part of the south steppes of modern Ukraine at a certain period of time were inhabited by Turkic peoples, most of whom were Muslims since the fall of the Khazar Khanate.