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Brennan is an electoral division of the Legislative Assembly in Australia's Northern Territory. It was first created in 1990 as a replacement for the abolished seat of Ludmilla, and derives its name from Harold "Tiger" Brennan, a former member of the Legislative Council and Mayor of Darwin. Brennan includes both rural and urban areas, covering an area of 8 km² and encompassing the Palmerston suburbs of Bakewell, Gunn, Farrar, as well as part of Rosebery.

Rosebery is an outer southern suburb of Palmerston. It is located 26 km SE of the Darwin CBD. Its Local Government Area is the City of Palmerston.This suburb is named after the Fifth Earl of Rosebery, Archibald Philip Primrose, a then British statesman who visited South Australia in 1884. A decade later he became the Prime Minister of the United Kingdom.

Bakewell is an inner-city suburb of Palmerston, Australia. It is 24.9 km southeast of the Darwin CBD. Its local government area is the City of Palmerston. Bakewell is bounded to the north by Buscall Avenue, to the west is Chung Wah Terrace, and to the south and east is Lambrick Avenue. Development of the area dates from the 1990s.