On 17 October 2006, he became the exarch of Argentina, titular bishop of Hilta, and also became titular bishop of the
Roman Catholic Church, appointed by
Pope Benedict XVI, with simultaneous appointment. His appointed asTitular Bishop of Palmyra of Greek Melkites was decreed on 11 November 2006. On February 3, 2007, Arbach was ordained bishop by the Patriarch
Gregory III Laham, BS and his co-consecrators were
Abraham Nehmé (Archbishop of Homs) and
Georges El-Murr (Archbishop of Petra and Philadelphia). In this capacity he organized the 7th Congress to the incumbent Melkite bishops and priests incumbent in South America, under the direction of the Melkite Patriarch of Antioch Gregory III Laham in Cordoba from August 30 to September 3, 2010. Arbach was in October 2010, participant at the Special Assembly of the
Synod of Bishops (Catholic) for the Middle East in Rome. On June 23, 2012, Abdo Arbach was appointed archbishop of the
Melkite Greek Catholic Archeparchy of Homs, Hama and Yabroud. ==References==