This is the mosque of Bani Haritha, of Al-Aws tribe. It was named Al-Mustarah (Rest Place) as the Prophet (PBUH) sat in it for rest while on his way back from Uhud Incursion. It is also named Bani Haritha Mosque as it is located in their dwellings. It is an old mosque, built at the time of the Prophet (PBUH). Ancient historians of Medina mentioned that the Prophet (PBUH) prayed in it.
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