The Principality of Marlborough was a short-lived micronation established in 1993 located at 22°30′18.19″S 149°9′6.45″E / 22.5050528°S 149.1517917°E / -22.5050528; 149.1517917 near Marlborough, Queensland, Australia, about 106 km (66 mi) north of Rockhampton.
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