Medjerda River
 The Mejerda River (Arabic: واد مجردا‎) is a river in North Africa flowing from northeast Algeria through Tunisia before emptying in the Gulf of Tunis and Lake of Tunis. With a length of 450 km it is the longest river of Tunisia. It is also known as the wādi Majardah Wadi Mejerha and Oued Majardah and it was known as Bagrada in ancient times.