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  ===Filming===
  Filming for the season began on July 8, 2013, in Northern Ireland. The series also returned to Iceland and Dubrovnik for filming.
  New locations in Croatia include Diocletian's Palace in Split, Klis Fortress north of Split, Perun quarry east of Split, Mosor mountain, and Baška Voda further down to the south. In the commentary for episode 2, "The Lion and the Rose," the showrunners revealed that parts of Joffrey's death scene had been filmed in California. The Thingvellir National Park in Iceland was used as the location for the fight between Brienne and The Hound.
  Filming for the season lasted 136 days and was completed on November 21, 2013.