The mafia and gangs that control the Spanish underworld are all from other nations. The majority of Spain is occupied by the Sacra Corona Unita ( United Sacred Crown/Sacred Crown United). Basically the Calabrian mafia from Italy resides there. The Sicilian Mafia (Ndrangheta) and other Cosca also have a hand in it.

Sergei Mikhailov (born 1958): businessman and leader of the Solntsevskaya Bratva criminal syndicate. Semion Mogilevich (born 1946): described by agencies in the European Union and United States as the "boss of all bosses" of most Russian Mafia syndicates in the world.

Russian organized crime groups are commonly known as "Bratva" (Братва), which translates to "brotherhood" in Russian. Other terms used to describe Russian mafia groups include "Mafiya" (Мафия), "Vory v zakone" (Воры в законе), and "Solntsevskaya bratva" (Солнцевская братва).