Blue Mosque, Istanbul

17th-century mosque in Turkey

The Sultan Ahmed Mosque (Turkish: Sultanahmet Camii), popularly known as the Blue Mosque, is an Ottoman-era historical imperial mosque located in Istanbul, Turkey. It was constructed between 1609 and 1617 during the rule of Ahmed I. It attracts a large number of tourists and is one of the most iconic and popular monuments of Ottoman architecture. The mosque has a classical Ottoman layout with a central dome surrounded by four semi-domes over the prayer hall.

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