What Are The 12 Countries In The European Union?

Quick Fact: As of 2026, the European Union consists of 27 member states, with a combined population of roughly 447 million people and a total area of 4,233,262 km². The EU’s geographic center sits near Gadheim, Germany, at 49°50′N 9°54′E.

Where exactly is the European Union located?

The European Union spans Western, Central, Southern, and Northern Europe, stretching from Finland’s Arctic Circle to Greece’s Mediterranean coast and from Portugal’s Atlantic shores to Romania’s Black Sea beaches.

Think of it this way: the EU covers a massive stretch of Europe, from the icy reaches of Finland down to the sunny shores of Greece, and from Portugal’s rugged Atlantic coast all the way to Romania’s beaches along the Black Sea. (Honestly, it’s hard to find a better visual than that.) It’s a political and economic union of 27 sovereign nations, functioning as a single market where goods, services, capital, and people move freely. The EU isn’t just a random blob on the map—it’s smack in the middle of the Americas, Africa, and Asia, making it a major player in global trade and diplomacy since 1993.

Which countries make up the European Union?

As of 2026, the EU includes 27 member states: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, and Sweden.

How did the European Union come to be?

The EU began in 1951 as the European Coal and Steel Community among six countries to prevent future wars through economic cooperation, then expanded via the 1957 Treaty of Rome and the 1993 Maastricht Treaty into today’s 27-member union.

It all started back in 1951 with the European Coal and Steel Community. Six countries joined forces to prevent future wars through economic cooperation. Then came the 1957 Treaty of Rome, which turned it into the European Economic Community. The real game-changer? The Maastricht Treaty, which took effect on November 1, 1993, creating the single market and the euro. Now, here’s the thing: the Iron Curtain fell in 1989, reuniting Germany and opening the door for Eastern European countries to join after the Cold War. And let’s not forget Brexit—when the UK left in 2020, it became the first member state to exit the union.

Culturally, the EU packs in over 24 official languages and countless regional dialects. It’s also home to some of the world’s oldest universities, like Bologna (founded way back in 1088), and houses major institutions such as the European Central Bank in Frankfurt and the European Parliament in Strasbourg. The EU even won the Nobel Peace Prize in 2012 for its work in promoting peace, democracy, and human rights across Europe.

Geographically, the EU’s diversity is stunning: from the volcanic Canary Islands to Norway’s fjords, and from Austria’s Alpine peaks to Poland’s flat plains. The EU’s external borders stretch over 12,000 km, with coastlines along the Atlantic, North Sea, Baltic, Mediterranean, and Black Sea.

To put the EU’s scale in perspective, its combined GDP in 2026 is projected at over $18 trillion, making it the world’s third-largest economy after the United States and China. For comparison, that’s roughly the size of India’s GDP but with a population less than one-third the size of India’s, highlighting the EU’s high productivity and advanced infrastructure.

What’s the deal with travel and borders in the EU?

EU citizens can travel freely between 23 Schengen countries using only an ID card or passport, and visitors from outside the EU can visit up to 26 European countries for up to 90 days within any 180-day period with a single Schengen visa.

As of 2026, 23 of the 27 member states are part of this border-free zone, where internal checks are a thing of the past. The euro is used by 20 countries in the Eurozone, making travel and spending easier. For visitors from outside the EU, a Schengen visa lets you hop between 26 European countries for up to 90 days within any 180-day stretch.

Travel within the EU is a breeze. Cities like Paris, Berlin, and Rome are tightly connected by rail networks, including high-speed trains like France’s TGV and Germany’s ICE, which zip between destinations at over 300 km/h. Then there are the quieter spots—think Tuscany’s rolling hills or Portugal’s Algarve coast—that draw crowds for agri-tourism and sustainable travel.

For eco-conscious travelers, the EU is pushing hard toward green energy, with over 30% of its electricity now coming from renewables as of 2026. Many cities, like Copenhagen and Amsterdam, are leading the charge with bike-sharing programs and car-free zones. The EU even hands out “Green Key” certifications to hotels and lodgings that meet strict eco-friendly standards.

If you’re planning a trip, here’s a practical tip: use the EU’s official visa tool to check if you need a Schengen visa and to calculate the 90/180-day rule automatically. For rail travel, book high-speed tickets on Rail Europe or the Deutsche Bahn website, which often offer discounts for advance purchases. And for eco-friendly stays, look for accommodations with the “Green Key” label on platforms like Booking.com or Airbnb.

What is the EU 12?

The EU12 refers to the 12 countries that joined the European Union between 2004 and 2007: Austria, Cyprus, Czech Republic, Estonia, Finland, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, and Slovenia.

What are the 10 most populous countries of the European Union?

The 10 most populous EU countries in 2026 are Germany, France, Italy, Spain, Poland, Romania, Netherlands, Belgium, Greece, and Czech Republic.

1. Germany: 84.3 million
2. France: 68.4 million
3. Italy: 58.9 million
4. Spain: 47.5 million
5. Poland: 36.8 million
6. Romania: 19.1 million
7. Netherlands: 17.8 million
8. Belgium: 11.7 million
9. Greece: 10.4 million
10. Czech Republic: 10.5 million

What European countries are not in the EU?

As of 2026, non-EU European countries include Albania, Andorra, Armenia, Azerbaijan, Belarus, Bosnia and Herzegovina, Georgia, Iceland, Kosovo, Moldova, Monaco, Montenegro, North Macedonia, Norway, Russia, San Marino, Serbia, Switzerland, Turkey, Ukraine, United Kingdom, and the Vatican City.

• Albania*
• Andorra
• Armenia
• Azerbaijan
• Belarus
• Bosnia and Herzegovina**
• Georgia
• Iceland
• Kosovo
• Moldova
• Monaco
• Montenegro
• North Macedonia
• Norway
• Russia
• San Marino
• Serbia
• Switzerland
• Turkey
• Ukraine
• United Kingdom
• Vatican City

*Candidate country as of 2026

**Potential candidate country as of 2026

How many countries were in the EU in 2020?

In 2020, the European Union had 27 member states.

Why is Norway not in the EU?

Norway is not in the EU because its 1994 referendum rejected membership; it remains in the European Economic Area (EEA) and Schengen but opts out of EU political structures and pays a fee for market access.

Norway has a high GNP per capita, and would have to pay a hefty membership fee. The country has limited agriculture and few underdeveloped areas, meaning Norway would receive little economic support from the EU. That said, the total EEA EFTA commitment amounts to 2.4% of the overall EU programme budget.

Which country was the most recent to join the EU?

Croatia was the most recent country to join the European Union, becoming a member in July 2013.

Since then, the EU’s membership has grown to twenty-seven, with the latest member state being Croatia, which joined in July 2013. The most recent territorial enlargement of the EU was the incorporation of Mayotte in 2014.

Is Denmark in the EU?

Yes, Denmark has been in the European Union since 1973.

Why is Switzerland not in the EU?

Switzerland is not in the EU because a 1992 referendum rejected EEA membership, and subsequent referendums have kept the country out of EU political structures despite a 1972 free-trade agreement.

Switzerland signed a free-trade agreement with the then European Economic Community in 1972, which entered into force in 1973. After a Swiss referendum held on 6 December 1992 rejected EEA membership by 50.3% to 49.7%, the Swiss government decided to suspend negotiations for EU membership until further notice.

Which country in Europe is the best for expats in 2026?

As of 2026, Sweden ranks as the top European country for expats due to its strong social benefits, high quality of life, and inclusive policies, according to multiple expat surveys.

• No 8: The Netherlands — strong job market and English proficiency
• No. 7: Denmark — excellent work-life balance and social services
• No. 6: Germany — robust economy and diverse cities
• No. 5: Austria — high standard of living and safety
• No. 4: Portugal — affordable cost of living and welcoming culture
• No. 3: Spain — vibrant lifestyle and Mediterranean climate
• No. 2: Finland — top education system and nature access
• No. 1: Sweden — leading in sustainability, gender equality, and innovation

Who is the richest country in the EU?

Luxembourg is the wealthiest country in the European Union per capita in 2026.

Luxembourg is the wealthiest country in the European Union, per capita, and its citizens enjoy a high standard of living. Luxembourg is a major center for large private banking, and its finance sector is the biggest contributor to its economy.

Is Turkey in the EU in 2026?

No, Turkey is not a member of the EU in 2026; it remains a candidate country with accession negotiations stalled since 2016.

Turkey is one of the EU’s main partners and both are members of the European Union–Turkey Customs Union. Turkey borders two EU member states: Bulgaria and Greece. Turkey has been an applicant to accede to the EU since 1987, but since 2016 accession negotiations have stalled.

Which is the most beautiful country in Europe in 2026?

As of 2026, Croatia is widely ranked as the most beautiful country in Europe due to its Adriatic coastline, national parks, and historic cities like Dubrovnik and Split.

• Croatia — pristine Adriatic coast and Plitvice Lakes
• Norway — dramatic fjords and northern lights
• France — diverse landscapes from Alps to Provence
• Greece — iconic islands and ancient ruins
• Iceland — volcanic landscapes and geothermal wonders
• Scotland — rugged highlands and historic castles
• Austria — alpine scenery and Baroque architecture
• Italy — coastal villages, vineyards, and Renaissance art

Has any country ever left the EU?

Yes, three territories of EU member states have withdrawn: French Algeria (1962), Greenland (1985), and Saint Barthélemy (2012).

Three territories of EU member states have withdrawn: French Algeria (in 1962, upon independence), Greenland (in 1985, following a referendum) and Saint Barthélemy (in 2012), the latter two becoming Overseas Countries and Territories of the European Union.

Why is the UK not in Schengen?

The UK is not in Schengen because it negotiated an opt-out from the Schengen Agreement when it joined the EU in 1973 and chose not to participate in the border-free zone.

For many years, the U.K. and the Republic of Ireland were within the European Union but not signed up to the Schengen Agreement, having obtained opt-outs from the treaty. However, the U.K. is in the process of leaving the European Union, having voted to leave in 2016, and having officially exited on 31 January 2020.

Why is it called Schengen?

The Schengen Area is named after the Luxembourg town of Schengen, where the Schengen Agreement was signed in 1985 by five European countries.

Schengen is a European zone consisting of 26 countries, which have abolished internal borders. The name “Schengen” comes from the small winemaking town and commune of Schengen in far southeastern Luxembourg, where France, Germany, Belgium, Luxembourg, and the Netherlands signed the Schengen Agreement.