right|thumb|250px|Lake Zavoj in the Visok region
right|thumb|250px|Lake Zavoj in the Visok region
Visok (Cyrillic: Висок) is a region in eastern Serbia and westernmost Bulgaria that lies between the main ranges of the Balkan Mountains and Vidlič Mountain. It is located from Pirot, and about from Belgrade.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).