It is one of the most beautiful mosques in Gaza and one of the largest, which is an open area surrounded by four canopies, the largest canopy of the Qibla, and in the room that opens on the Western cloak is the tomb of Hashim bin Abdul Manaf grandfather of the Messenger of Allah Muhammad. He died in Gaza during his summer journey.
The mosque was established by the Mamluks and renewed by Sultan Abdul Hamid in 1850 and named Gaza City "Gaza Hashim" after him.