Ibn Tulun Mosque, Ahmed Ibn Tulun Mosque or the Tuluni Mosque is one of the most famous archaeological mosques in Cairo  It was ordered by Ibn Ahmad Ibn Tulun the founder of the Tulunid state in 263 AH / 877 AD in his new town of Qataya to become the third mosque in the Islamic capital of Egypt after the Mosque of Amr ibn al-Aas built in al-Fustat That the mosque Amr ibn al-Aas still exists but the mosque Tuluni is the oldest mosques in Egypt existing so far to keep the original state compared to the mosque Amr ibn al-Aas which has undergone reforms that changed its featuresThe mosque was built on a rocky hill known as Jebel Yashkar  It is considered one of the largest mosques in Egypt  with an area of ​​about six acres and a half acres  It was built in the form of a square inspired by the Abbasid mosques  especially the Samarra mosque in Iraq  Induced The mosque is currently located in Ahmed Ibn Tulun Square in the Sayeda Zeinab district of the southern region of Cairo  Its western wall is adjacent to the mosque of Sarghatmesh al-Nasiri