Vardar. The Vardar (; Macedonian: , Albanian: Vardar/-i, Turkish: Vardar) or Axios (Greek: ??????????, romanized: Aksi??s, Albanian: Asi (historically)) is the longest river in North Macedonia and a major river in Greece, where it reaches the Aegean Sea at Thessaloniki. It is 388 km (241 mi) long, out of which 76 km (47 mi) are in Greece, and drains an area of around 25,000 km2 (9,653 sq mi). The maximum depth of the river is 4 m (13 ft). Etymology The name Vardar for the river may have been derived from Thracian, although Dardanian, Paeonian, Ancient Macedonian and Ancient Greek were also spoken in the lands drained by the river. The modern Vardar is thought to derive from an earlier *Vard??rios, which may ultimately...