Nišava

The Nišava or Nishava (Bulgarian and Serbian Cyrillic, Serbian pronunciation: [nǐʃaʋa]) is a river in Bulgaria and Serbia, a right tributary, and with a length of 218 kilometres (135 mi) also the longest one, of the South Morava.

Flows through: Bulgaria.

River data from Wikidata (CC0); lengths normalised to a common unit.