Greenland is not the answer, as it is an overseas territory of Denmark.
European Russia is the largest European country by area and population.
France, with an area of 212,000 square miles, is easily the biggest country in the EU by area.
The largest territory in Europe belongs to Russia. The largest completely European country is Ukraine. The largest country in the European Union is France.
Russia is, geographically, the largest country in Europe, as well as the largest country in the world. Even if you only count the part of Russia that's in the European continent Russia is still, by far, the largest European country.
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With a population of about 82 million Germany is the largest country in the European Union in terms of population.
Japan has the 3rd largest economy in the world, and it is an Asian country, not European. Germany is the 4th largest economy in the world, and it is a European country.
France is the largest country in western Europe (Ukraine or the European part of Russia are larger) and the largest one in the European Union.
Yes, Ukraine is the largest European country (but it is not in the European Union).
Russia, with a total area of about 17,000,000 km2 that is sometimes fully included in Europe, is the largest European country. Even if only including the recognized area known as European Russia (about 4,000,000 km2), it is still the largest country in Europe by far. The Ukraine is the wholly European country with the largest area (about 600,000 km2).
The United States of America holds the most overseas land of any country.