1. Three countries of the Transcaucasia.
Countries: Azerbaijan, Georgia, Armenia.
Transcaucasia, also known as the South Caucasus, is located in the southern part of the Caucasus Mountains and is the arena of several great empires throughout history. The Eastern Roman Empire, the Persian Empire, the Seljuk Turks, the Arab Empire, the Ottoman Empire, and ** ruled this land one after another. In the twenties of the last century, Transcaucasia merged into the Transcaucasian Federation and joined the former Soviet Union. With the collapse of the Soviet Union, the region became independent, but it has been plagued by conflicts due to religious differences (Shia Muslims in Azerbaijan, Orthodox Christians in Georgia and Armenia) and territorial disputes, and has been nicknamed the "Caucasian powder keg".
2. The three Baltic states.
Countries: Lithuania, Estonia, Latvia.
The three Baltic states, namely Lithuania, Estonia and Latvia, are located on the eastern shore of the Baltic Sea. Due to their proximity to Northern and Eastern Europe, these three small countries have historically been occupied by countries such as Sweden, Poland, and Germany. With the collapse of the Soviet Union, these three countries achieved independent status and faced the dilemma of relative weakness. In order to enhance their own security, they chose to unite and join NATO. Because of the many similarities in terms of geographical location, land area, religious beliefs and historical origins, they are often referred to internationally as the three Baltic states.
3. The three Nordic countries.
Countries: Norway, Sweden, Finland.
The three Nordic countries, which include Norway, Sweden and Finland, are located in the northernmost part of the European continent. These three countries are similar in size and shape, and their economies are among the highest in the world. Not only that, but they also show considerable consistency in terms of race, religious beliefs, social systems, and values. As a result, the region is often referred to internationally as the Nordic Three.
4. Three Low Countries.
Countries: Netherlands, Belgium, Luxembourg.
The Three Low Countries, located on the eastern shore of the English Channel, including the Netherlands, Belgium and Luxembourg, are named below sea level. Historically, the land was known as the Netherlands and was incorporated into the Kingdom of the Netherlands in 1815. The three countries are geographically close and share similar religious beliefs (Catholic and Protestant), high economic levels (GDP per capita of more than $50,000), and common historical and cultural traditions. Because of these similarities, the international community often refers to the Netherlands, Belgium and Luxembourg collectively as the "Low Countries Three".
5. The Apennine Three Kingdoms.
Countries: Italy, San Marino, Vatican.
The three Apennines include Italy, as well as two small states surrounded by Italian territory, San Marino and the Vatican. San Marino is one of the oldest republics in the world, and although it has only been annexed twice by its neighbors in its nearly 2,000-year history, it has survived in silence. The Vatican was once a large papal state, and now only the Pope's "Forbidden City" remains. These three ancient "settlements" have spent two thousand years of romantic history together on the Italian peninsula.
6. The Three Kingdoms of East Slavia.
Countries: Russia, Ukraine, Belarus.
The origins of the Eastern Slavs can be traced back to the Dniebo valley in Ukraine, while the Russians are a branch of the East Slavs. The birthplace of the three countries is in Kievan Rus', and they all believe in Orthodox Christianity, which can be said to be of the same origin and the same ancestry. Known as the "Three Brothers of Kievan Rus'", they have a deep connection in culture, religion, and blood, and there are hardly many differences between them. However, due to geopolitics, territorial disputes, etc., they are currently mired in fierce conflicts. This is really born from the same root, so why not rush to fight.
7. Three North American countries.
Countries: United States, Canada, Mexico.
These three countries occupy 90% of the territory of North America, and are the three most populous, powerful and largest countries in North America. Since there are many small countries in North America that do not have a strong sense of presence, the United States, Canada, and Mexico can basically be seen as representing the entire North American region. It is worth mentioning that in 2026, the World Cup is expected to be co-hosted by these three countries, demonstrating the combined strength of North America.
8. Three countries of Greater Guyana.
Countries and regions: Guyana, Suriname, French Guiana.
The Greater Guiana region on the north coast of South America includes Guyana, Suriname, and French Guiana. During the colonial period, the three countries were ruled by the British, Dutch, and French, respectively. Guyana and Suriname gained independence in the 70s, and French Guiana remains an overseas department of France today. France is rumored to have considered allowing French Guiana independence, but the region does not seem to have expressed any intention of leaving. South America is mainly made up of Latino countries, whose populations are predominantly Hispanic, Portuguese, or Indian. However, the Greater Guiana region has a unique demographic makeup, consisting mainly of Indians, Indonesians, and Africans. For many years, this region has been outside the mainstream of South America, with a relatively low presence, and can almost be seen as an outlier on this continent.
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