Arra's 19. 5 square kilometres include the suburbs of Abbotsford, Burnley, Clifton Hill, Collingwood, Cremorne, Fitzroy, North Carlton, North Fitzroy, Princes Hill and Richmond. Parts of Alphington and Fairfield – south of Heidelberg Road – are also included in Yarra.
Residents and businesses in Yarra are represented by nine councillors. The municipality is broken up into three geographic wards - Langridge Ward, Melba Ward and Nicholls Ward – each of which is represented by three councillors.