Viator Exclusive Combo: 'Game of Thrones' in Dubrovnik and Split. Follow in the footsteps of your favorite ‘Games of Thrones’ characters on this Croatia combo — it’s a Viator Exclusive that you won’t find anywhere else. When you join your expert guide in Split, discover the fictional city of Meereen while visiting the mountainside fortress of Klis and the UNESCO-listed Diocletian’s Palace. On another day, head to Dubrovnik and hear insider gossip about the series as you explore the UNESCO-listed Old Town, Lovrijenac Fortress and more. Book this Tour and Save 10%: Viator Exclusive Combo: 'Game of Thrones' in Dubrovnik and Split.