Macedonia (Greece)
Macedonia (; , "Makedonía" ) is a geographic and former administrative region of Greece, in the southern Balkans. Macedonia is the largest and Greek region, with a population of 2.38 million in 2017. The region is highly mountainous, with most major urban centres such as Thessaloniki and Kavala being concentrated on its southern coastline. Together with Thrace, and sometimes also Thessaly and Epirus, it is part of Northern Greece. It also contains Mount Athos, an autonomous monastic region of Greece.
Vardar Macedonia
Vardar Macedonia or North Macedonia (Macedonian and , "Vardarska Makedonija ili Severna Makedonija") was the name given to the territory of the Kingdom of Serbia and Kingdom of Yugoslavia roughly corresponding to today's Republic of Macedonia. It covers the northwestern part of geographical Macedonia, whose modern borders came to be defined by the mid-19th century.