Blue Mosque (Sultan Ahmed Mosque)

The Blue Mosque, formally known as the Sultan Ahmed Mosque, stands directly across from Hagia Sophia in the heart of Istanbul's Sultanahmet district, Turkey. Commissioned by Sultan Ahmed I and completed in 1616, it remains one of the few mosques in the world built with six minarets — a decision that caused controversy at the time, as only the mosque at Mecca had previously held that distinction. The mosque functions as an active place of worship and is open to respectful visitors outside prayer times at no charge.

The exterior silhouette is one of Istanbul's most recognizable images: six slender minarets frame a cascade of domes and semi-domes that descend gracefully from the central dome measuring 23.5 metres in diameter and rising 43 metres above the floor. The proportions are considered more harmonious than many older Ottoman mosques, and the transition between the central dome and the half-domes surrounding it creates a flowing, organic quality to the roofline.

Inside, more than 20,000 hand-painted Iznik tiles cover the upper walls and ceiling, exhibiting over 50 different tulip designs in deep blue, white, and green. These tiles give the mosque its common name; the effect under natural light filtering through the 260 windows is one of the most striking in Islamic architecture. The lower sections of the interior are covered in painted plaster, though the tile work above draws the eye upward toward the dome.

The central prayer hall is separated from the tourist entrance by a rope partition, allowing visitors a clear view of the mihrab — the intricately carved niche indicating the direction of Mecca — and the kürsü, the elevated wooden platform from which the imam preaches. The courtyard outside features a central ablution fountain surrounded by columns and arched porticos, forming a peaceful transition from the busy Sultanahmet Square.

Visitors must remove their shoes and women must cover their hair; free scarves and shoe bags are provided at the entrance. The mosque closes to non-worshippers approximately 90 minutes before each of the five daily prayers and during prayer times themselves. Weekday mornings between prayer closures see the fewest visitors.