Ahmad ibn Hanbal Mosque
Baghdad, Iraq
The Arif Agha Mosque, later known as the Imam Ahmad ibn Hanbal Mosque, is a small Sunni mosque, located in the Rusafa area of the city of Baghdad, Iraq. The mosque was built during the Ottoman period, and it contains a small mausoleum which is purported to be the burial place of Ahmad ibn Hanbal, the founder of the Hanbali school of thought, whose body was moved from its original place of burial to the mosque during a damaging flood.
Mosque data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).