The Battle of Raphia, also known as the Battle of Gaza, was a battle fought on 22 June 217 BC near modern Rafah between the forces of Ptolemy IV Philopator, king and pharaoh of Ptolemaic Egypt and Antiochus III the Great of the Seleucid Empire during the Syrian Wars. It was one of the largest battles of the Hellenistic kingdoms and was one of the largest battles of the ancient world. The battle was waged to determine the sovereignty of Coele Syria.