About 9.3% of Romania's population is represented by minorities, and 13% unknown or undisclosed according to 2021 census. The principal minorities in Romania are Hungarians and Romani people, with a declining German population and smaller numbers of Poles in Bukovina, Serbs, Croats, Slovaks and Banat Bulgarians, Ukrainians, Greeks, Jews, Turks and Tatars, Armenians, Russians, Afro-Romanians, and others.

Harghita County is a county in the center of Romania, in eastern Transylvania, with the county seat at Miercurea Ciuc.