Sidi Daoud (Arabic: سيدي داوود‎) known as Abbo during the French occupation, is a town in north-central Algeria, on the west bank of the river of oued Sebaou, a few kilometers downstream from its mouth, in eastern Boumerdès Province. Before 1870, the city of Sidi Daoud called Issers-Djedian, then Bois-Sacré (Sacred Wood). She was appointed in 1925 Abbo. In 1958, the city was part of the former department of Algiers. After independence, it takes the name of Sidi Daoud.