Loudias

Loudias
Native nameΛουδίας (Greek)
Location
CountryGreece
Physical characteristics
Mouth 
  location
Thermaic Gulf
  coordinates
40°31′50″N 22°40′49″E / 40.53056°N 22.68028°E / 40.53056; 22.68028
Basin size1,251 km2 (483 sq mi)

The Loudias (Greek: Λουδίας) or Lydias (Λυδίας), popularly called Mavroneri (Μαυρονέρι, "Blackwater", from its Ottoman Turkish name Kara Asmak قره آصماق) 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).