Alba Iulia is a city in Alba County, Transylvania, Romania
with a population of 58,681, located on the Mureş River. Since the High Middle
Ages, the city has been the seat of Transylvania's Roman Catholic diocese.
Between 1541 and 1690 it was the capital of the Eastern Hungarian Kingdom and
the latter Principality of Transylvania. Alba Iulia is historically important
for Romanians, Hungarians and Transylvanian Saxons.