The city of Dubrovnik doubles as King's Landing in the show.
An aerial shot of the ancient walled city, with its characteristic orange-shingled buildings, opens the "Game of Thrones" trailer for Season 4.
To find a full-on, immaculately preserved, medieval-walled city that looks uncannily like King's Landing, where the bulk of our show is set, that was, in and of itself, just such an amazing find," said D.B. Weiss, the writer of "Game of Thrones.
Dubrovnik was under the sovereignty of Venice for over a century while Ottoman conquests and local struggles for independence raged. "All these factions of kingdoms were battling each other for control of Croatia," Tan said. "It's like a real life 'Game of Thrones' travelers get to explore."
Fort Lovrjenac in Dubrovnik doubles as Red Keep, currently the seat of King Joffrey in "Game of Thrones."
This King's Landing scene features Fort Lovrjenac in the background.
Klis Fortress, near the Croatian city of Split, is where the show filmed Daenerys plotting her return to power.
Here's the landscape in action in the show.
The city of Split was a new filming location for Season 4 of "Game of Thrones."
This scene was shot in a stone quarry in Split. Many local Croatians were cast as extras.
Several scenes were shot at Diocletian's Palace in Split, which was built by ancient Roman emperor Diocletian and is a UNESCO World Heritage site.
Shooting recently took place in the cellars of Diocletian's Palace, though it is not yet clear what the location will become in the show.
Krka National Park in Split was featured as the countryside in some "Game of Thrones" scenes.
Ston, in Southern Croatia, is another common stop on "Game of Thrones" tours. At 3.5 miles, the famed Walls of Ston, which date to the 14th and 15th centuries, are known as the "European Great Wall of China."
Wine is produced in almost every region of Croatia. Zicasso's "Game of Thrones" tour includes local wine tastings throughout the trip to complement all the show-related sightseeing.
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