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Prague Castle is where the Kings of Bohemia, Holy Roman Emperors and presidents of Czechoslovakia and the Czech Republic have had their offices. The Czech Crown Jewels are kept here. Prague Castle is the biggest castle in the world according to Guinness Book of Records the biggest ancient castle. The Prague Castle includes Gothic St Vitus Cathedral (center top), Romanesque Basilica of St. George, a monastery and several palaces, gardens and defense towers. Most of the castle areas are open to tourists.
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