 Until the beginning of the 20th century, the Sabunçu region was producing 35 percent of Baku's oil.It was also the place where the first, Baku-Sabunchu electrified railway system in USSR, built by Chingiz Ildyrym in 1924 was established.The town, seat of Sabunçu raion, is located in the north-eastern suburb of the city of Baku and is part of its metropolitan area.