St. Nicholas' Fortress (Croatian: Tvrđava Sv. Nikole) is a fortress located in the town of Šibenik, one of the oldest native Croatian towns on the eastern shores of the Adriatic, in central Dalmatia, Croatia. It was included in UNESCO's World Heritage Site list as part of "Venetian Works of Defence between 15th and 17th centuries: Stato da Terra – western Stato da mar" in 2017. Picture © Credits to: jasminam