* Northern Africa: Includes countries such as Egypt, Libya, and Morocco.
* Western Africa: Includes countries such as Nigeria, Ghana, and Senegal.
* Eastern Africa: Includes countries such as Kenya, Tanzania, and Ethiopia.
* Southern Africa: Includes countries such as South Africa, Zimbabwe, and Namibia.
* Central Africa: Includes countries such as the Democratic Republic of the Congo, Cameroon, and Gabon.
2. Asia
* Eastern Asia: Includes countries such as China, Japan, and South Korea.
* Southeastern Asia: Includes countries such as Indonesia, Malaysia, and Thailand.
* Southern Asia: Includes countries such as India, Pakistan, and Bangladesh.
* Western Asia: Includes countries such as Turkey, Iran, and Saudi Arabia.
* Central Asia: Includes countries such as Kazakhstan, Uzbekistan, and Tajikistan.
3. Europe
* Northern Europe: Includes countries such as Norway, Sweden, and Finland.
* Western Europe: Includes countries such as the United Kingdom, France, and Germany.
* Eastern Europe: Includes countries such as Russia, Poland, and Romania.
* Southern Europe: Includes countries such as Italy, Spain, and Greece.
4. The Americas
* North America: Includes countries such as the United States, Canada, and Mexico.
* Central America: Includes countries such as Guatemala, Honduras, and El Salvador.
* South America: Includes countries such as Brazil, Argentina, and Chile.
5. Oceania
* Australia/New Zealand: Includes countries such as Australia, New Zealand, and Papua New Guinea.
* Melanesia: Includes countries such as Fiji, Vanuatu, and Solomon Islands.
* Micronesia: Includes countries such as Guam, Nauru, and Micronesia.
6. Polar Regions
* Arctic: Includes the northernmost part of the Earth, including the Arctic Ocean.
* Antarctic: Includes the southernmost part of the Earth, including Antarctica.