Sidi Bel Abbès (Arabic: سيدي بلعباس‎) is capital (2005 pop. 200,000) of the Sidi Bel Abbès wilaya (2005 pop. 590,000), Algeria. It is named after Sidi bel Abbass, a Muslim marabout or noble man who is buried there. The city is the commercial center of an important area of vineyards, market gardens, orchards, and grain fields. It was formerly surrounded by a wall with four gates and there is a university there.