Kraishte

Rock formations in the Shegava River Canyon of the Kyustendil Kraishte in Bulgaria
Besna Kobila in Serbia is the highest mountain in Kraishte

Kraishte (Bulgarian: Краище, sometimes with a definite article Краището, Kraishteto) or Krajište (Serbian: Крајиште) is a geographical and historical region split between southwestern Bulgaria and southeastern Serbia, with a very small part in northeastern North Macedonia.