Central Region Army Group

Central Region Army Group Grupo de Ejércitos de la Región Central (GERC)
Military flag of the Popular Army
Active	22 April 1938 – 29 March 1939
Country	Spain
Branch	Spanish Republican Army
Type	Army group
Role	Home Defence
Engagements	Spanish Civil War Siege of Madrid Battle of Guadalajara Levante Offensive Merida pocket Battle of Valsequillo
Commanders
Notable commanders	General Vicente Rojo Lluch General José Miaja Menant

The Central Region Army Group, Spanish: Grupo de Ejércitos de la Región Central (GERC), was a military formation of the Spanish Republican Army during the last phase of the Spanish Civil War. It gathered the most powerful section of the republican military and would endure until the 1939 surrender. The GERC was under the command of general José Miaja Menant, the Defence of Madrid hero.