what is considered southeast queensland
1 Toowoomba City-the Toowoomba city is included in both the South East Queensland region and within Western Downs (although the full Toowoomba region is only in western downs) region due to its importance to both regions as a gateway city providing access to the west of the state.he region has experienced significant population growth over the last two decades, growing on average by 55,000 to 80,000 people a year since 1986. South East Queensland is expected to be home to 4.4 million by 2031.