Osogovo

Osogovo (Bulgarian/Macedonian: ), or Osogovska Planina or Osogovski Planini (Осоговска Планина or Осоговски Планини), is a mountain range and ski resort between the south-western part of Bulgaria (Kyustendil Province) and the north-eastern part of North Macedonia (Kočani and Kriva Palanka municipalities). Osogovo Monastery is situated on the mountain.

Source: Wikipedia (CC BY-SA 4.0) — https://en.wikipedia.org/wiki/Osogovo