Eastern Bloc of the FARC-EP

This group of commanders was called the "EMBO" (Estado Mayor del Bloque Oriental). ==1st Front==

Also known as the Armando Ríos Front, it was composed of around to 400 people. It operated mostly in the Guaviare Department. ==7th Front==

Also known as the Jacobo Prías Alape Front, it was composed of up to 400 people. It operated mostly in the Meta Department. ==10th Front==

Also known as the Guadalupe Salcedo Front, it was composed of up to 300 people. It operated mostly in the Arauca Department. Several police officers infiltrated one of the FARC’s 10th front camp in early 2008, preparing an attack on the camp by a police squadron. The attack came on July 29, killing 'Jurga Jurga', FARC commander and friend of FARC head ‘Mono Jojoy’. The ground offensive was follow by an airforce attack, killing 20 guerrillas, unofficial sources said. On October 22, 2011, members of the front killed 10 Colombians soldiers in an ambush in Arauca. On March 17, 2012, alleged members of the 10th front killed 11 members of the Colombian army. Security forces launched an offensive few days after the attack: on March 20, 3 alleged member of the FARC are killed and 4 captured by the army. On March 21, 33 FARC members were allegedly killed and 5 others captured. ==16th Front==

Also known as the Jose A. Paez Front, it was composed of up to 300 people. It operated mostly in the Vichada Department. ==22nd Front==

Also known as the Simón Bolívar Front, it was composed of up to 120 people. It operated mostly in the Cundinamarca Department. ==26th Front==

Also known as the Hermogenes Maza Front, it was composed of up to 130 people. It operated mostly in the Meta Department. As of 2011 this front operated in La Uribe, Vista Hermosa, La Macarena and other municipalities. ==27th Front==

It was composed of up to 500 people and operated mostly in the Meta Department. ==28th Front==

Also known as the José María Córdoba Front, it was composed of up to 120 people. It operated mostly in the Casanare and Boyacá Departments. ==31st Front==

This front was composed by up to 120 combatants and operated mostly in the Meta Department. Its activity diminished notoriously after its head, Duván Alberto Cartagena, was captured. ==38th Front==

Also known as the Ciro Trujillo Castaño Front, it was composed of up to 100 people. It operated mostly in the Casanare and the Boyacá Departments. ==39th Front==

Also known as the Joaquin Ballen Front, it was composed of anything between 40 and 300 people. It operated mostly in the Vichada Department. The front was led by El Cadete. ==40th Front==

Also known as the Jacobo Arenas Front, it was composed of up to 350 people. It operated mostly in the Meta Department. ==42nd Front==

Also known as the Combatientes de Cundinamarca Front, it was composed of up to 110 people. It operated mostly in the Cundinamarca Department. ==43rd Front==

It was composed of up to 300 people and operated mostly in the Meta Department. ==44th Front==

Also known as the Antonio Ricaurte Front, it was composed of up to 350 people. It operated mostly in the Meta Department. ==45th Front==

Also known as the Atanasio Girardot Front, it was composed of up to 150 people. It operated mostly in the Boyacá and Norte de Santander Departments. ==51st Front==

Also known as the Jaime Pardo Leal Front, it was composed of up to 80 people. It operated mostly in the Cundinamarca Department. ==52nd Front==

Also known as the Juan de la Cruz Front, it was composed of up to 120 people. It operated mostly in the Cundinamarca and Boyacá Departments. ==53rd Front==

Also known as the Jose A. Anzoategui Front, it was composed of up to 120 people. It operated mostly in the Meta and Cundinamarca Departments. ==54th Front==