Mosque of the Prophet') is the second mosque built by the Islamic prophet Muhammad in Medina, after that of Quba, as well as the second largest mosqueis a mosque established and originally built by the Prophet of Islam Muhammad (Peace be upon him). It is in the city of Al Medina Al MunawarrahIn 1909, under the reign of Ottoman Sultan Abdul Hamid II, it became the first place in the Arabian Peninsula to be provided with electrical lights. From the 14th century, the mosque was guarded by eunuchs, the last remaining guardians were photographed at the request of then-Prince Faisal bin Salman Al Saud, and in 2015, only five were left. It is generally open regardless of date or time, and has only been closed to visitors once in modern times, as Ramadan approached during the