Fortitude is a British horror psychological thriller television series created and written by Simon Donald. A 12-episode season was commissioned by Sky Atlantic in 2013, and started airing on 29 January 2015. The series is set in the fictional Arctic Norwegian settlement of Fortitude. On 9 April 2015, Sky Atlantic recommissioned the show for a second season consisting of 10 episodes, which premiered on 26 January 2017. The third and final season premiered on 6 December 2018 and concluded on 27 December, consisting of 4 episodes.

Reyðarfjörður is a town in Iceland. It has a population of 1,350 and is one of the most populated villages that constitute the municipality of Fjarðabyggð.