The rotunda monument is the oldest monument in Thessaloniki, a huge round building representing the first Roman temple, then converted into a Christian church, then a mosque, and it is characterized by its thick walls, and it is one of the reasons why he seemed to be resisting the strong Thessaloniki earthquake, and if you want to know more about him.
You should know that the cylindrical structure of this building was constructed in the year 306 as part of the Grand Palace complex on the orders of the Roman Emperor Galerius, and the purpose of its construction was either to be a sanctuary for him, or more probably that the building is a temple.
The building was used as a church for more than 1,200 years until the city was submitted to the Ottomans, particularly in 1590, when it was converted from a church called Agios Georgios to a mosque, and until now , the building's distinctive mosaics are still visible and visible.
