Siby DepartmentSiby is a department or commune of Balé Province in southern Burkina Faso. Its capital lies at the town of Siby. According to the 1996 census the department had a total population of 12,089.Towns and villagesLargest towns and villages and populations in the department are as follows:Siby Ballao Bitiako Boromissi Kalembouly Sécaco Sorobouly Souho