Yes, Argentina is a member of the United Nations.
There are 10 countries surrounding Brazil; French Guiana/Guyane, Suriname, Guyana, Venezuela, Columbia, Peru, Bolivia, Paraguay, Argentina, Uruguay. French Guiana is officially named Guyane.
Argentina and United Kingdom.
Sudan, Ethiopia, Tanzania and Uganda (and the Indian Ocean!).
Zambia, Zimbabwe, Botswana and Namibia
Paraguay is directly surrounded by 3 countries. They are Brazil, Argentina, and Bolivia.
Argentina (24 October 1945) -- http://www.un.org/members/list.shtml
Argentina and Great Britain
Argentina and Chile.
The major bodies of water surrounding Argentina are the Pacific Ocean on the western side of the country and the Atlantic Ocean on the east side. The very southern tip of Argentina has no major bodies of water close to it except for the oceans I mentioned.
Emerging nations in South America include Argentina, Uruguay, Chile, Colombia and Brazil.
Mangola, Troll, Sudan, Spanish Pen rulers and Narnia.