Final answer:
The Principality of Hutt River, a micronation, was located within Western Australia. It dissolved in 2020 and is not recognized as a sovereign state by any country.
Step-by-step explanation:
The Principality of Hutt River Province, which is a micronation, is located within the borders of Western Australia. This self-declared principality claimed to be an independent sovereign state, but it was not legally recognized as such by Australia or other countries. The Hutt River Province is situated about 517 kilometers north of Perth, Western Australia. It should be noted that the micronation announced it would dissolve and rejoin Australia in August 2020 due to economic difficulties exacerbated by the COVID-19 pandemic.