Absolute Championship Berkut (ACB) is a Russian mixed martial arts, kickboxing and brazilian jiu-jitsu organization and one of the leading promotions in Europe.[2] To date, most events have been hosted in Grozny, Russia. They have also held events in Canada, United States, Poland, Brazil, Romania, Scotland, Georgia, Netherlands, Belgium, Tajikistan, Austria, France, Belarus, England, Turkey, Kazakhstan and they have planned events in Sweden and United Arabic Emirates.