Amr ibn al-As (رضي الله عنه) was a Sahabi (companion) of the Prophet (ﷺ) and a military commander who is most noted for leading the Muslim conquest of Egypt in 640 CE. This mosque, in Egypt is built on the site of his tent in the city of Fustat (meaning City of the Tents). The original structure is regarded as being the first and oldest mosque built on the land of Egypt.
![Aerial view of the Mosque of Amr ibn al-As](https://www.islamiclandmarks.com/wp-content/uploads/2020/04/Aerial-view-of-the-Mosque-of-Amr-ibn-al-Aas.jpg)
![Aerial view of the Mosque of Amr ibn al-As](https://www.islamiclandmarks.com/wp-content/uploads/2020/04/Aerial-view-of-the-Mosque-of-Amr-ibn-al-Aas.jpg)
References: ClassicalIslam.com by graduate of Darul-Uloom London, Wikipedia