Question: where was season 7 episode 5 game of thrones filmed

title: Game of Thrones (season 7)
text: Jon arrives at Dragonstone . Daenerys demands his fealty . He refuses and focuses instead on convincing her to fight the Army of the Dead . Following Tyrion 's advice , Daenerys grants Jon access to the island 's dragonglass . Melisandre hides her presence from Jon and leaves for Volantis . Bran arrives at Winterfell and reveals his newfound role as the Three - Eyed Raven to Sansa . In King 's Landing , Euron returns with Ellaria and Tyene as a gift for Cersei , who promises to marry him after the war is won . She also awards him co-control of her military alongside Jaime . Cersei administers the same poison to Tyene used to kill Myrcella , forcing Ellaria to watch her daughter 's impending death . In Oldtown , a healed Jorah leaves to find Daenerys . Ebrose forgives Samwell . Grey Worm and the Unsullied attack Casterly Rock , only to find it mostly abandoned . Jaime led most of the Lannister forces in an attack on Highgarden , while Euron 's fleet ambushes and destroys the Unsullied 's ships . The Lannister forces overwhelm Olenna 's army . Jaime induces Olenna to drink poison , offering her a quick and painless death . After drinking it , she confesses to poisoning Joffrey .