Loudias
The 883rd longest river in the world
The Loudias or Lydias, popularly called Mavroneri ("Blackwater", from its Ottoman Turkish name Kara Asmak) is a river in Central Macedonia that flows through the regional units of Pella and Thessaloniki draining into the Thermaic Gulf through the Axios Delta National Park. Its drainage basin is 1,251 km2 (483 sq mi).
Flows through: Greece.
River data from Wikidata (CC0); lengths normalised to a common unit.