The document provides details about the Selimiye Mosque in Edirne, Turkey. It was commissioned by Sultan Selim II and designed by the famous architect Mimar Sinan between 1568-1574. Considered Sinan's masterpiece, the mosque features a massive central dome nearly 33 meters in diameter supported by huge semispherical domes. It dominated the Edirne skyline and became a symbol of Ottoman architectural achievement. Along with its associated buildings, the complex was added to the UNESCO World Heritage list in 2011 due to its architectural and historic significance.