Gacko is a populated place in Bosnia & Herzegovina. GeoNames lists its administrative area as Republika Srpska.

Its mapped location is latitude 43.16722° and longitude 18.53528° (WGS84). The recorded IANA time zone is Europe/Sarajevo. The country record uses the currency code BAM. The source record reports a population of 3,417; this is a recorded figure, not a live population count.

The GeoNames record was last modified on 2026-04-16. Use this page to explore the street map, local time, weather and currency reference tools. Community guides and useful local links can be added separately.