You can get around Belgrade using:

• buses, trolleybuses and trams run by GSP "Beograd" (Belgrade City Public Transport Company) and bus services operated by private bus companies, on around 130 routes in the immediate city area, both day and night services.
• express minibus routes in the immediate city area
• buses operated by Lasta transport company and private bus companies on suburban routes
• the Beovoz city railway on suburban routes
• taxi and rent-a-car services