Time is ticking. Don't waste valuable vacation time waiting for buses and trains. Book a rental car and relish in the freedom of having your own ride. Before you hit the highway, here are some key facts about Australian Capital Territory. Australian Capital Territory is a state of Australia. Its capital city, Canberra, is home to around 367,800 people. Be sure to chat to some locals and discover more about the exciting things to see and do in this fantastic destination.