Ajdarbey Mosque - Credit: Wikimedia Commons
The Ajdarbey Mosque (also known as the Blue Mosque, the Ittifag Mosque) is a historic mosque in Baku, Azerbaijan. It was built from 2 March 1912 to 3 December 1913 and is located on Samed Vurgun Street, formerly Krasnovodskaya Street, north of the city center. Read more on Wikipedia
Source: en.wikipedia.org