Sambo is a martial art and combat sport that originated in the Soviet Union during the early 20th century. It combines elements of judo and wrestling, focusing on throws, grappling, and ground fighting techniques. The name "Sambo" is derived from the Russian acronym for "self-defense without weapons." The sport has two main styles: Sport Sambo, which emphasizes throws and holds, and Combat Sambo, which includes striking techniques. Sambo has gained international recognition and is practiced in many countries, with various competitions held worldwide, showcasing its effectiveness in self-defense and mixed martial arts.