Oued El Abid is a wadi in the north-east of Tunisia. The Barrage Oued El Abid (óï ÃÂçïàçÃÂùèÃÂï) is a dam on the river at 36 ð 49 '13 "north, 10ð42'11"east that was built in 2002 and holds 10 million mó. The name of the river means wadi of the Valley of Slaves.