The Büyük Mecidiye Mosque, also known as Ortaköy Mosque, is a picturesque mosque located in Istanbul, Turkey, right by the Bosphorus strait. Built in the mid-19th century, this charming mosque was commissioned by Sultan Abdülmecid I and designed by the talented Balyan family of architects. With its eclectic architectural style blending Ottoman and European influences, the mosque features intricate stone carvings, a majestic dome, and elegant minarets. Renovated several times over the years, including a recent restoration in 2014, the Büyük Mecidiye Mosque continues to be a popular spot for locals and tourists alike to admire its beauty and stunning views of the Bosphorus Bridge.