Atlantic Canada The Maritimes Central Canada Northern Canada Canadian Arctic Archipelago Western Canada Canadian Prairies West Coast Greenland Saint Pierre and Miquelon United States (excluding Hawaii) Alaska Contiguous United States Central United States Middle America (United States) Midwestern United States Eastern United States Northeastern United States Southeastern United States Northern United States Great Lakes region (including Ontario, Canada) Southern United States South Central United States Western United States (including Alaska and Hawaii) Northwestern United States Southwestern United States (some geographers include the Oklahoma Panhandle and West Texas in this subregion) by physiography: Atlantic coastal plain Atlantic Seaboard Fall Line East Coast of the United States Great Basin Great Basin Desert Great Lakes Great Lakes Basin Great Plains Gulf Coast of the United States Piedmont West Coast of the United States by geopolitics: Dutch Caribbean Caribbean Netherlands (AKA the BES islands) Organisation of Eastern Caribbean States Red states and blue states Western Caribbean zone by economics: Caribbean Community (CARICOM) Central America Free Trade Agreement (CAFTA) Great Lakes Megalopolis Mesoamerican region North American Free Trade Agreement (NAFTA) Northeast megalopolis Organisation of Eastern Caribbean States Petrocaribe by culture: Heartland (United States) Mesoamerica Oasisamerica by biogeography: Aridoamerica by geology: Canadian Shield North American craton Slave craton Superior craton Wyoming craton South America by geography: Eastern South America: Federative Republic of Brazil Northern South America (the part of South America located in the Northern Hemisphere) North-eastern South America: The Guianas North-western South America: Caribbean South America Southern South America: Southern Cone Western South America: Andean States by physiography: Altiplano Amazon basin Amazon rainforest Andes Brazilian Highlands Gran Chaco Pampa Pantanal Patagonia by economics: Andean Community Mercosur Union of South American Nations by geology: Guiana Shield Antarctica by the United Nations Statistics Division's geoscheme: Antarctica by geography: Antarctic and Subantarctic islands Bouvet Island (some geographers consider it as a part of South America) French Southern Territories (excluding Adélie Land and the Scattered Islands) Crozet Islands (some geographers consider them as part of Africa) Kerguelen Islands (some geographers consider them as part of Africa) Saint Paul and Amsterdam Islands (some geographers consider them as part of Africa) Heard Island and McDonald Islands (some geographers consider them as part of Oceania) Macquarie Island (some geographers consider it as a part of Oceania) New Zealand Subantarctic Islands (some geographers consider them as part of Oceania) Antipodes Islands Auckland Islands Bounty Islands Campbell Islands Snares Islands Peter I Island Prince