Riyadh is divided into fourteen branch municipalities, in addition to the Diplomatic Quarter. Each branch municipality in turn contains several districts, amounting to over 130 in total, though some districts are divided between more than one branch municipality. The branch municipalities are Al-Shemaysi, Irqah, Al-Ma'athar, Al-Olayya, Al-Aziziyya, Al-Malaz, Al-Selayy, Nemar, Al-Neseem, Al-Shifa, Al-'Urayja, Al-Bat'ha, Al-Ha'ir, Al-Rawdha, and Al-Shimal ("the North"). Olaya District is the commercial heart of the city, with accommodation, entertainment, dining and shopping options. The Kingdom Centre, Al Faisalyah, and Al-Tahlya Street are the area's most prominent landmarks. The center of the city, Al-Bathaa and Al-Deerah, is also its oldest part.