Elections in Australia tend to be won and lost in regional and outer suburban areas, often including semi-rural areas. This is certainly the case in New South Wales, which has a good number of such seats, both surrounding Sydney and up and down the coast.
History
Citation
Melleuish, G. (2016). State of the states: New South Wales and the issues resounding in bellwether seats. The Conversation, 14 June 1-3.