Antarctica has no provinces, states, countries, or political subdivisions of any kind. It is the only continent without a native human population or sovereign territory.
The Antarctic Treaty System (1959, entered force 1961) establishes the continent as:
Research stations operate in geographic sectors often aligned with historical claim boundaries (e.g., Australian Antarctic Territory, Ross Dependency), but these are not political jurisdictions. Stations are run by national programs under treaty rules, not territorial governments.
Antarctica's unique status represents a rare triumph of international cooperation—an entire continent dedicated to peace and science, governed by consensus among 29 consultative parties (54 total parties). No provinces needed.