A: Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, Azerbaijan

B: Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia and Herzegovina, Botswana, Brazil, Brunei, Bulgaria, Burkina Faso, Burundi

C: Cambodia, Cameroon, Canada, Cape Verde, Central African Republic, Chad, Chile, China, Colombia, Comoros, Costa Rica, Croatia, Cuba, Cyprus, Czech Republic

D: Democratic Republic of Congo, Denmark, Djibouti, Dominica, Dominican Republic

E: East Timor, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Eswatini, Ethiopia

F: Fiji, Finland, France

G: Gabon, Gambia, Georgia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea-Conakry, Guinea-Bissau, Guyana

H: Haiti, Honduras, Hungary

I: Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Ivory Coast

J: Jamaica, Japan, Jordan

K: Kazakhstan, Kenya, Kiribati, Korea, North, Korea, South, Kosovo, Kuwait, Kyrgyzstan

L: Laos, Latvia, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Lithuania, Luxembourg

M: Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Micronesia, Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Myanmar

N: Namibia, Nauru, Nepal, Netherlands, New Zealand, Nicaragua, Niger, Nigeria, North Macedonia, Norway

O: Oman

P: Pakistan, Palau, Palestine, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Poland, Portugal

Q: Qatar

R: Republic of the Congo, Romania, Russia, Rwanda

S: Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Samoa, San Marino, São Tomé and Príncipe, Saudi Arabia, Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, Solomon Islands, Somalia, South Africa, South Sudan, Spain, Sri Lanka, Sudan, Suriname, Sweden, Switzerland,

T: Taiwan, Tajikistan, Tanzania, Thailand, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu

U: Uganda, Ukraine, United Arab Emirates, United Kingdom, United States, Uruguay, Uzbekistan

V: Vanuatu, Vatican City, Venezuela, Vietnam

Y: Yemen

Z: Zambia, Zimbabwe

A continent is a vast, uninterrupted expanse of land typically seen as a unified geographical area. There are a total of seven(7) continents, namely Asia, Africa, North America, South America, Antarctica, Europe, and Australia, listed in order of size from largest to smallest. On occasion, Europe and Asia are combined into a single continent known as Eurasia.

Continents generally align with the locations of tectonic plates to some extent. There is significant diversity in the sizes of continents. For instance, Asia surpasses Australia in size by more than fivefold. Greenland, the world's largest island, is approximately just a quarter of the size of Australia. The continents exhibit distinct levels of compactness. Africa boasts the most uniform coastline, resulting in the lowest proportion of coastline relative to its total area.

In contrast, Europe stands out as the most irregular and indented continent, with by far the highest ratio of coastline compared to its total area.

There are 49 countries in Asia, including several countries like Russia, Turkey, and Georgia, that are geographically located in both Asia and Europe, and are often considered part of Europe as well.

There are 54 countries in Africa, making it the continent with the highest number of countries.

There are 23 countries in North America, including 7 countries that are part of Central America.

There are 12 countries in South America, each with its own unique culture and history.

There are 44 countries in Europe, including 27 countries that are part of the European Union.