 The first residential areas in the Bayil formed along the pilgrimage road passes on Bayil cape and leading to the Bibi-Heybat Mosque.Development of the Black City and the discovery of oilfields in the Bibiheybət stimulated the expansion of Bayil in the direction of Baku.By the late 19th century, residential part of the occupied steep slopes and developed in the direction of the city, which went beyond the boundaries of their land and merged with the surrounding areas, with the center Bayil was kept in the Baku International Sea Trade Port area.