The Antarctic Treaty protects Antarctica and everything else on planet earth south of 60 degrees South Latitude.
There is no governor of Antarctica: it is governed under an international agreement called The Antarctic Treaty.
antarctic treaty
the antarctitc treaty
Antarctic Treaty
You may be thinking of the Antarctic Treaty.
1959 and antarcitc treaty
You may be thinking of the Antarctic Treaty.
The name you want is the Antarctic Treaty.
There is no agreement that 'splits up' Antarctica. Antarctica -- and all of earth south of 60 degrees South Latitude -- is governed by the Antarctic Treaty. This treaty negates all previous land claims and prohibits new land claims on the continent.
An agreement between two or more states is called a multilateral agreement. Many of the agreements are to do with trade or collaboration in international development.
A formal agreement between foreign nations is commonly called an accord. However, they also can be called international agreements as well.
The Geneva Conventions