Sopron is a city in Hungary on the Austrian border, near Lake Neusiedl/Lake Fertő. In the Iron Age a hilltop settlement with a burial …Sopron is a city in Hungary on the Austrian border, near Lake Neusiedl/Lake Fertő. In the Iron Age a hilltop settlement with a burial ground existed in the neighbourhood of Sopron-Várhely. When the area that is today Western Hungary was a province of the Roman Empire, a city called Scarbantia stood here. The site of its forum is now the main square of Sopron.