<P> The seventh season of the fantasy drama television series Game of Thrones premiered on HBO on July 16, 2017, and concluded on August 27, 2017 . Unlike previous seasons that consisted of ten episodes each, the seventh season consisted of only seven . Like the previous season, it largely consisted of original content not found in George R.R. Martin's A Song of Ice and Fire series, while also incorporating material Martin revealed to showrunners about the upcoming novels in the series . The series was adapted for television by David Benioff and D.B. Weiss . </P> <P> The penultimate season focuses primarily on the convergence of the show's main plotlines, featuring major events such as Daenerys Targaryen arriving in Westeros with her army and three dragons and waging war against the Lannisters, Jon Snow forging an alliance with Daenerys in an attempt to unite their forces against the White Walker army, Arya and Bran returning to Winterfell and reuniting with their sister Sansa, and the army of the dead breaching the Wall (with the help of a reanimated wight dragon) and entering the Seven Kingdoms . </P> <P> HBO ordered the seventh season on April 21, 2016, three days before the premiere of the show's sixth season, and began filming on August 31, 2016 . The season was filmed primarily in Northern Ireland, Spain, Croatia and Iceland . </P> <P> Game of Thrones features a large ensemble cast, including Peter Dinklage, Nikolaj Coster - Waldau, Lena Headey, Emilia Clarke, and Kit Harington . The season introduces several new cast members, including Jim Broadbent and Tom Hopper . </P>

When does game of thrones season 7 start filming