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If you’ve decided to take a vacation in Europe, the next step is picking where. The continent has 50 countries, speaking 23 languages—or as many as 83, depending on how one does the counting. From the sunny cities of Spain and Portugal to the cooler capitals of Northern Europe, the continent offers a wealth of options. Take this quiz to find the European city that best suits your style; log on to Lufthansa, which connects 19 U.S. gateways with 170 cities in Europe, to book your flight; and then pack your bags.