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.
Republic of Macedonia
The Black Sea basin is the smallest with only . It covers the northern side of Mount Skopska Crna Gora. This is the source of the river Binachka Morava, which joins the Morava, and later, the Danube, which flows into the Black Sea.