Even if we believe the 1910 census, that besides other flaws overemphasises the number of Hungarians over others in Transylvania, the Romanians form an absolute majority (>50%) and together with the Germans, that supported the unification with Romania they form almost (>64%) a two thirds majority. The W.Carpathians constituted in part the border of the old Principality of Transylvania. The South-West part of the border lies on the W. Carpathians.