Celts in Transylvania southeastern Transylvania, the Banat and Oltenia regions of modern Romania but excluded the rest of Dacia. The presence of Celts here is mainly illustrated by the composition of both the legions and cohorts. Legio XIII Gemina came from the Celtic zone of Vindabona and contained some Celtic elements. Troops from Roman Celtic and Germanic provinces were the most numerous of the auxiliary troops. (See also List of Roman auxiliary regiments) The several cohorts and alae Gallorum attested in diplomas and inscriptions reveal the large number of Gauls who were recruited by Romans, some of whom were moved to Transylvania (i.e.
Transylvania Catholic, Lutheran, Reformed, and Unitarian branches. Other faiths also are present, including Jews and Muslims. Under the Habsburgs, Transylvania served as a place for "religious undesirables". People who arrived in Transylvania included those that did not conform to the Catholic Church and were sent here forcibly, as well as many religious refugees. Transylvania has a long history of religious tolerance. This has been ensured by its religious pluralism. Christianity is the largest religion in Transylvania. Transylvania has also been (and still is) a center for Christian denominations other than Eastern Orthodoxy, the form of Christianity that most Romanians follow. As