Parthenon mosque
The Parthenon mosque refers to one of two places of Islamic worship created successively within the Parthenon during the  Greece's Ottoman period. The first was the mosque adapted from the Church of Our Lady of Athens, which was destroyed by a Venetian bombardment in 1687. The second was a free-standing building erected in the open space of what was the naos of the now ruined Parthenon; this was dismantled in 1843. History 

At what point the Parthenon first became a congregational mosque is undocumented. However, Mehmed II is known to have visited Athens in 1458 after the surrender of the Acropolis to the Ottoman Empire and again in 1460, and it is speculated that the act of conversion could have taken place then or shortly thereafter since the prominent churches of conquered territories were typically converted. The structural changes to the building were slight. A Frankish tower in the south-west corner of the pronaos, which might have served as a bell tower, was converted to a minaret. The presbytery screen, the high altar, and the altars in the side apses were all removed. The mosaic of the Virgin in the apse evidently survived conversion. Less certain is the fate of the ambo, the removal or not of the episcopal throne, and the precise location of the minbar and mihrab. This building was destroyed in the Venetian bombardment during the 1687 Siege of the Acropolis and replaced with a smaller free-standing, single-domed mosque that stood in the cleared space of the naos. It was built sometime in the early 18th century. This in turn was removed in 1843 with the beginning of archaeological activity on the Acropolis. Evidence 
The primary evidence for this period of the Parthenon’s existence is scant. Not only have the physical structures been erased, but the documentary evidence of the mosque is also scarce. The earliest references are in the biographies of Mehmed II and the Vienna Anonymous manuscript of c. 1460. Mehmed is recorded as having admired the city and its monuments. In 16th-century Ottoman tax records, the mosque is named , 'fortress mosque of Athens'. The most detailed surviving contemporary description is in Evliya Çelebi’s Seyahatnâme. Evliya not only recorded the physical details of the Parthenon but attempted to incorporate it into the Ottoman cultural milieu and Islamic legend and folklore. Evliya's visit in 1667 was succeeded by a number of European visitors, who left a small cache of records of the Ottoman Parthenon before its destruction. These include Carrey’s drawings, the Bassano drawing of 1670 and Spon’s, Vernon’s and Wheler’s accounts of the Acropolis. The second mosque is slightly better documented in the form of travellers' drawings. Amongst the last of these records is de Lotbinière's 1839 daguerreotype of the Parthenon, depicting the mosque still present in the naos. Notes

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15th-century mosques
Buildings and structures demolished in 1843
Parthenon
Ottoman mosques in Greece
Former mosques in Greece
Ottoman architecture in Athens
Mosques in Athens