Montebello Islands - NW Australia

The United Kingdom could not test at home. Testing took place on the Montebello Islands off the coast of Australia, and at U S test sites in the Pacific Ocean and Nevada.


Hurricane, the first test, at Montebello Island October 3, 1952.

There is more at nuclearweaponarchive.org
My thanks to greenwood for providing the database information.

To find out about all testing by all countries, go here.