Amsterdam is the capital of the Netherlands, located in northern Europe next to Germany. As of 2009, Amsterdam had a population of around 758,000 people within its 219 square kilometers. The primary languages spoken in the Netherlands are Dutch, German, and English. The best times to visit Amsterdam are in the spring and summer, when tulips, the most representative flower, are blooming. The city has many water channels and is flat, located next to the sea. Popular attractions include the Anne Frank House, Van Gogh Museum, and the dikes.