Originally called the 'King's Plantation,' it was first used as the location for the city's powder magazine, a holding area for the newly arrived African slaves. History Early settlement Īlgiers was established in 1719 as a plantation, not a neighborhood. It was once home to many jazz musicians Algiers frequently although dubiously bills itself as the second oldest neighborhood in the city. Algiers is known as the 15th Ward, one of the 17 Wards of New Orleans. Algiers / æ l ˈ dʒ ɪər z/ is a historic neighborhood of New Orleans and is the only Orleans Parish community located on the West Bank of the Mississippi River.