Gacko · Eastern Herzegovina · Medieval · Ottoman
Ključ Fortress · Gacko
This Ključ is the fortress near Gacko in eastern Herzegovina, distinct from the castle above the Sana. Gacko's municipal history records it in 1426 as a seat of Sandalj Hranić and later Stjepan Vukšić Kosača. It retained administrative and military importance under Ottoman rule; the municipality dates the establishment of its captaincy to 1687. The ruined fortress and the settlement below form a wider historic landscape.
Explore the 3D modelThrough the centuries
1426
Recorded as a seat of Sandalj Hranić in the municipal history.
1687
Becomes the seat of an Ottoman captaincy, according to the municipality.
Architecture & evidence
Keep shell
A reduced rectangular keep and mapped enclosure represent the ruined complex near Gacko.
Later round element
Rounded later masonry is indicated conservatively; details require archaeological review.
Courtyard remains
The map polygon is tagged as a fortress/manor area. It guides the extent, not a claim that every polygon edge is an extant wall.
Plan your visit
Confirm the approach and access locally; the map point marks the fortress rather than a surveyed visitor route.
Get directions