The story of the Hagia Sophia Mosque of Trabzon begins from the time of the occupation of Istanbul by the Latins, when Manuel I fled from it and established his empire in Trabzon and issued his order to build the church between the years 1250 AD / 1260 AD and gave it the name Hagia Sophia, which means “divine wisdom” or “wisdom.” “The Holy Mosque” and remained as a church after Sultan Mehmed conquered Trabzon in 1461 AD, until it was converted in 1584 AD by order of the Sultan into a mosque, where a notable named Mehmed Ali added a pulpit and a place for the muezzin, and in 1610 AD the city of Trabzon was ruled by the Roman governor Julian Burdur, who neglected the mosque until it became It was abandoned and remained that way for a long time, after which a group of Muslims collected 95 thousand piasters and it was revived as a mosque after the Romans used it as a church for a period. In World War I, the Russians who occupied Trabzon used it as a warehouse and a military hospital, and after the war it remained a mosque for a period of time and then returned as a museum. Thousands of tourists visit it every year, and it remained so for 52 years until it opened for worship again on Friday, June 28, 2013. If we talk about the architecture of the Hagia Sophia Mosque, its basic structure constitutes one of the most beautiful models of late Byzantine churches, as the building is based on three axes. Stoic in the north, west and south. The only dome is covered with tiles and has a base with twelve corners. While the ceilings of different thicknesses are lined up towards the dome, giving it a beautiful gradient