Northern Bloc of the AUC

Northern Bloc of the AUC
Leaders	Salvatore Mancuso Rodrigo Tovar Pupo Vicente Castaño
Dates of operation	Officially completed demobilization in March 2006.
Active regions	Cesar, La Guajira, Magdalena, Atlántico, Santander, and Norte de Santander
Ideology	Anti-communism
Part of	United Self-Defense Forces of Colombia
Opponents	Revolutionary Armed Forces of Colombia National Liberation Army

The Northern Bloc of the United Self-Defense Forces of Colombia (Spanish: Bloque Norte de las AUC) was a Colombian paramilitary organization that operated until March 2006, when it demobilized. A National Center for Historical Memory report found that the group perpetrated 456 massacres from 1996 to 2006.