In Aberdeen, in the southwestern suburbs of Garthdee, RGU operates a single campus. All academic and administrative departments have been located in Garthdee since August 2017. The Garthdee campus is the main campus of the university, where all academic departments are located and where teaching and research is conducted. The campus is situated in the outskirts of the city's parkland and is known for its modern architecture. The Principal's Office is based on the main Garthdee campus at Garthdee House, but there are many other administrative departments and staff based at the Schoolhill Administration Building in downtown. The residence halls comprise two buildings on the Garthdee Campus ; the Tower Square and the Round Tower.

There are around 18000 students in the university.