Complex sentence: The region of Wadi Fira is divided into three departments, each listed with the name of its capital or main town ("chef-lieu " in French) and a list of sub-prefectures ("sous-préfectures").
Split into simpler sentences: The region of Wadi Fira is divided into three departments. Next to each department the name of its capital or main town ("chef-lieu " in French), plus a list of sub-prefectures ("sous-préfectures").