Azerbaijan participated in the Eurovision Song Contest 2015 with the song "Hour of the Wolf" written by Sandra Bjurman, Nicolas Rebscher, Nicklas Lif and Lina Hansson. The song was performed by Elnur Hüseynov, who was internally selected by the Azerbaijani broadcaster İctimai Television (İTV) in March 2015 to represent the nation at the 2015 contest in Vienna, Austria. Hüseynov had previously represented Azerbaijan in the Eurovision Song Contest in 2008 together with Samir Javadzadeh where they placed eighth with the song "Day After Day". The song "Hour of the Wolf" was presented to the public on 15 March.

The Eurovision Song Contest 2015 was the 60th edition of the Eurovision Song Contest. It took place in Vienna, Austria, following the country's victory at the 2014 contest with the song "Rise Like a Phoenix" by Conchita Wurst. Organised by the European Broadcasting Union (EBU) and host broadcaster Österreichischer Rundfunk (ORF), the contest was held at the Hall D of the Wiener Stadthalle and consisted of two semi-finals on 19 and 21 May, and a final on 23 May 2015. The three live shows were presented by Austrian television presenters Mirjam Weichselbraun, Alice Tumler and Arabella Kiesbauer, while the previous edition's winner Conchita Wurst acted as the green room host.