主题词：Byzantine Studies and History; Eurasian Exchange Networks; Balkan and Eastern European Studies; Balkans: History, Politics, Society; Linguistics and language evolution; Ancient and Medieval Archaeology Studies; Historical Geopolitical and Social Dynamics; Historical and Archaeological Studies; Regional Socio-Economic Development Trends; Classical Antiquity Studies; Soviet and Russian History; Marine and environmental studies; Historical and Religious Studies of Rome; Eastern European Communism and Reforms; Sustainable Urban and Rural Development; Central European and Russian historical studies; Archaeology and ancient environmental studies; Russia and Soviet political economy; Military History and Strategy; Sociopolitical Dynamics in Russia; Security, Politics, and Digital Transformation; European Politics and Security; Maritime and Coastal Archaeology; Religious Tourism and Spaces; Philippine History and Culture