The Sultan Ahmed Mosque, also known as the Blue Mosque, is an iconic mosque located in Istanbul, Turkey. Built between 1609 and 1616 during the reign of Sultan Ahmed I, it is renowned for its stunning architecture, featuring a large central dome surrounded by smaller domes and six minarets. The mosque's interior is adorned with intricate blue tiles, giving it its nickname. The mosque serves as an active place of worship and a popular tourist attraction. Its courtyard is one of the largest in the world, and visitors can admire the beautiful gardens and fountains that enhance the serene atmosphere of this historic site.