Taking one look at Dubrovnik, located at the southernmost tip of Croatia, you’d agree that it’s meant for the big screen. With 16th century stone walls surrounding the city, striking red-roofed buildings, and its location on the Adriatic Sea, it’s truly something out of a storybook… or an HBO series. We actually ended up in Dubrovnik by chance. We knew we wanted to visit Croatia and Dubrovnik had the cheapest…