There are more than 350^{[citation needed]} suburbs in the Perth metropolitan region (colloquially known as Perth, the capital city of Western Australia) as of 2021.^[update] The name and boundary of a locality (commonly referred to as a suburb in the metropolitan region^{[according to whom?]}) is determined under the authority of the Minister of Lands in Western Australia, and form an official component of addresses.^{[1][definition needed]}

Some of the suburbs are contained within two or three local government areas – these have been marked and cross-referenced.