Located in Lebanon, it includes the cities of Beirut and Byblos, and in terms of population, it is the largest Melkite eparchy in the Middle East.

Those were the years when Catholicism obtained great progress in the ranks of the Greeks in the cities of the Lebanese coast, where more entrenched was the presence of Christians of the Byzantine Rite, and this mainly thanks to the missionary work of the Jesuits and the Capuchins.

Great impetus to the spread of Catholicism in Beirut and in the surrounding areas was the founding of the Chouerites, that at the beginning of their history had most of the monasteries in Beirutian territory.

The bishop Agapios Riashi[4] was one of the most vocal opponents of the introduction of the Gregorian calendar desired by Patriarch Maximos III Mazloum.

Eventually prevailed to the Holy See, when Pope Leo XIII with his Papal brief Occasione electionis on August 16, 1881, chose Meletios Fakak transferring him from his see in Zahleh and appointing to new Melkite Greek Catholic Archeparchy of Beirut and Byblos.