The Armenian Catholic Church is an Eastern Catholic church "sui juris" within the Catholic Church. Its headquarters are in Bzoummar, Lebanon. The union was established in the Council of Florence, in 1439. During the Armenian Genocide, 1915-1918, its followers were scattered, mainly to Syria and Lebanon. Many Armenians also fled to Georgia and Ukraine. In 1991, after the fall of the Iron Curtain, Pope John Paul II merged the churches in Georgia and Ukraine with those in Armenia. He created a new eparchy of Armenia and Eastern Europe. There is a seminary in Gyumri, the largest city in Armenia. At the same time Catholic Armenians in Georgia de facto entered this newly formed diocese.The city of Gymuri was chosen because most Catholic Armenians live in the north of the country.