Cullacabardee is a northeastern rural suburb of Perth, the capital city of Western Australia, located 21 km (13 mi) from Perth's central business district via Alexander Drive or Beechboro Road. It is in the City of Swan local government area. Most of the suburb is covered in native sheoak and banksia forest. A small Noongar community is based on Baal Street, a drug rehabilitation retreat is located off Gnangara Road in the suburb's northeast, and the Perth International Telecommunications Centre facility is based in the suburb's northwest.

Alexander Drive is a major north–south arterial road in the northern suburbs of Perth, Western Australia, connecting Perth's central business district (CBD) with Edith Cowan University's Mount Lawley campus and the Malaga industrial area, as well as newer development suburbs to Perth's north. It is used by Transperth bus routes, including the 360, 361 and 362. Alexander Drive was named after Mr S.B. Alexander, a former Wanneroo Road Board member. Alexander Drive runs through the following local government areas City of Wanneroo, City of Swan, City of Bayswater and City of Stirling.