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 to Transylvania, and 280,000 from Transylvania to the Old Kingdom, most notably to Bucharest). According to the results of the 2011 Population Census, the total population of Transylvania was 6,789,250 inhabitants and the ethnic groups were: Romanians - 70.62%, Hungarians - 17.92%, Roma - 3.99%, Ukrainians - 0.63%, Germans - 0.49%, other - 0.77%. Some 378,298 inhabitants (5.58%) have not declared their ethnicity. The presented data are from http://www.recensamantromania.ro/rezultate-2, the Table no. 7. The ethnic Hungarian population of Transylvania form a majority in the counties of Covasna (73.6%) and Harghita (84.8%). The Hungarians are also numerous in the following counties: