Györgyi is a historian with substantial heritage expertise. Her research focuses on modern history as well as the theory and practice of heritage conservation in Central and Eastern Europe following the change of the political system in the 1990s. She is the author of numerous books and articles in these fields. She has also taken part in co-operational research programs in the United States, France, Poland, and Slovakia, and has lectured at prestigious universities in the United States, France, Japan, Taiwan, and Hungary.