Europe has a population of 739 million people across 10.18 million square kilometers. It is home to many languages including English, French, German, Greek, Italian, Spanish, Portuguese, and others. Russia is the largest European country by area while Vatican City is the smallest with only around 800 residents. Some of Europe's most notable geographic features include the longest lake Balaton in Hungary and the Danube River which flows through 12 countries. Christianity is the dominant religion and soccer is very popular across Europe's 47 countries. Some of Europe's most famous landmarks are the Eiffel Tower in Paris, St. Peter's Basilica in Rome, and the expensive Champs-Élysées street in Paris known for boutiques and