The Suleymaniye Mosque is a grandiose architectural masterpiece located in Istanbul, Turkey, designed by the celebrated Ottoman architect Mimar Sinan. Commissioned by Sultan Suleiman the Magnificent, the mosque was completed in 1557 and is one of the most significant examples of Ottoman Islamic architecture. The Suleymaniye Mosque sits atop one of Istanbul's seven hills, dominating the skyline with its imposing structure. The mosque complex includes a hospital, kitchen, library, and four madrasas (Islamic schools), reflecting the Ottoman tradition of building külliyes, which are social and cultural complexes. The mosque's interior is awash with natural light that filters through an array of stained glass windows and reflects off the richly decorated walls and spacious central dome, which is flanked by semi-domes—an engineering marvel of its time. The harmonious proportions, intricate calligraphy, detailed tile work, and the tranquil gardens offer visitors a serene and contemplative experience. The mosque also houses the tombs of Sultan Suleiman, his wife Hurrem Sultan, and Mimar Sinan himself, adding historical gravitas to its religious significance.