Home /The Prophet's Mosque The Prophet's Mosque It is the first Mosque to be built in Islam. The Prophet was buried in his house, which was adjacent to the Mosque, as Prophets are to be buried where they die. It is praiseworthy to greet the Prophet when one passes by his grave. The Prophet's Mosque in Madinah can accommodate over two million people at one time. Muslims perform prayer in the Prophet's Mosque in order to attain the great reward promised for the one who performs prayer in it.