Canary Islands
The Canary Islands were an archipelago of islands located in the Atlantic Ocean. Lanzarote was one of the islands. (TV: Planet of Fire; PROSE: Blue Box, Synthespians™)
Behind the scenes
The islands have served as filming locations for Doctor Who on several occasions, initially for 1984's Planet of Fire, Lanzarote doubled as itself and the alien world of Sarn.
The islands were used again in 2014 for the episode Kill the Moon in which its desert landscape used to depict the lunar surface.
Series 9, filmed in 2015, had five episodes featuring scenes filmed in the Canary Islands, the most overseas shooting in the show's history. Tenerife was doubled as a Spanish town and the alien planet of Skaro in The Magician's Apprentice and The Witch's Familiar, Fuerteventura was used to depict New Mexico in The Zygon Invasion and even the alien planet Gallifrey in Heaven Sent and Hell Bent.