The fortress Gradina in Srebrenik, Bosnia and Herzegovina watch_later Thursday, December 27, 2012 comment Add Comment "Srebrenik Fortress is Bosnia's best-preserved medieval castle dating from 1333. It is located in the outskirts of Srebrenik. The castle was occupied by the Ban of Bosnia Stjepan Kotromanić until his death in 1353." Share This : plus_one Google+ share Facebook share Twitter share Pinterest Daradonya chevron_left chevron_right