The vast majority of the inhabitants of the city are Roman Catholics although there are Protestant churches and a synagogue. There are also Muslims in the city, but no mosque. There is religious tolerance in the city, a common nationwide Argentine feature, guaranteed by the Argentine Constitution. The city is the seat of the Archdiocese of Bahía Blanca. Its mother church is a neoclassical cathedral (the Cathedral of Our Lady of Mercy). The Archbishop since 2003 is Guillermo José Garlatti. The Archbishop presides the local branch of the relief and social assistance organization Caritas, which supports itself through the help of Catholic and non-Catholic individuals as well as non-governmental organizations