The Jerma (Serbian Cyrillic: Јерма) or Erma (Bulgarian Cyrillic: Ерма) is a river in southeastern Serbia and western Bulgaria. Even though not very long (74 km), it is notable for passing the Serbian-Bulgarian border twice.
The Jerma (Serbian Cyrillic: Јерма) or Erma (Bulgarian Cyrillic: Ерма) is a river in southeastern Serbia and western Bulgaria. Even though not very long (74 km), it is notable for passing the Serbian-Bulgarian border twice.