What are the architectural styles of the Blue Mosque and Hagia Sophia in Turkey?

Belongs to the Byzantine architectural style. Both buildings are located in Istanbul, Turkey, and played an important role during the Byzantine Empire (395-1453). The Byzantine Empire was the eastern branch of the Roman Empire, and its capital Constantinople (now Istanbul) became the largest city and cultural center in Europe at that time. The Blue Mosque is famous for its unique dome and gorgeous mosaic, while Hagia Sophia is famous for its huge dome and exquisite marble columns, both of which conform to the characteristics of Byzantine architecture, including dome, mosaic mosaic and marble columns.