Download coordinates as: Idalia is a southern suburb in the City of Townsville, Queensland, Australia.

[1] Idalia is bounded by the North Coast railway line to the east, the median strip of Racecourse Road to the south, the median strip of Stuart Drive to the south-west, and by the Ross River to the north-west.

[5] Idalia is situated between the suburbs of Annandale, Oonoonba, Cluden and Wulguru.

], with the initiation of the Fairfield Waters subdivision development, the suburb has rapidly expanded (in terms of establishments) and nearly tripled in size.

[citation needed] The suburb was significantly impacted by the 2019 Townsville flood with a majority of residential and commercial properties inundated to some extent.