The Meža (Slovene) or Mieß is a river in the Austrian state of Carinthia and in Slovenia, a right tributary of the Drava. It is 43 kilometers (27 mi) long, of which 42 kilometers (26 mi) are in Slovenia. Its catchment area is 551.7 square kilometers (213.0 sq mi), of which 543 square kilometers (210 sq mi) in Slovenia.