Eleonora Naxidou is Professor of Modern and Contemporary History of Southeastern Europe in the Department of History and Ethnology at Democritus University of Thrace, Greece. She is the author of the book Europeanness in the Context of Bulgarian ‘Balkanness’: Lyuben Karavelov, Federalism, and the Greeks (2021; in Greek), and co-editor of several scholarly volumes.Yura Konstantinova is Professor at the Institute of Balkan Studies & Center of Thracology, Bulgarian Academy of Sciences. She has published extensively and been involved in numerous academic research projects on subjects including the history of modern Greece, Greek–Bulgarian relations, and international relations in Southeastern Europe in the nineteenth and twentieth centuries.