If you will need to buy textbooks or books, you can shop from Meteksan Bookstore on campus or in D&R, which is located in Bilkent Center and various shopping malls.
As you will notice, Bilkent University is situated next to Ankuva, Bilkent Center, and Bilkent Station. Here you will find restaurants, pharmacies, banks, a hypermarket called Real, a drugstore called Watsons, and more. Note: You will find various facilities, such as a pharmacy and a small supermarket, on campus as well.
From campus, the closest shopping malls are Cepa and KentPark, which are situated side by side. The Bilkent buses will stop at the bridge next to them. When returning to campus, you will have to wait in front of KentPark. Further on, there are more exclusive malls, such as Armada and Next Level. These can also be reached with the Bilkent buses.