Green’s Dictionary of Slang

(Aus.) Hobart, the capital city of Tasmania.

1912		Bulletin (Sydney) 5 Dec. 12/2: Maudie Melbourne or even Maudie Sydney wouldn’t mind; but Maudie Slowbart – never!
1989		Observer (London) 19 Mar. n.p.: Soporific Hobart, where I grew up, was re-christened Slowbart.