The Siege of Szigetvár or Battle of Szigeth (, , ) was a siege of the Szigeth Fortress in Baranya (near the present Hungarian/Croatian border) which blocked Suleiman's line of advance towards Vienna in 1566 AD. The battle was fought between the defending forces of the Austrian Habsburg Monarchy under the leadership of Croatian ban Nikola Šubić Zrinski (), and the invading Ottoman army under the nominal command of Sultan Suleiman the Magnificent ( Süleymān).