| 1. Berlin Tourist Information
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| Official tourist information site with online reservation and event details. |
| http://www.berlin-tourist-information.com |
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| 2. Berlin Travel
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| Collection of hotel, excursions, concert and Fredric the Great information and booking opportunities. |
| http://www.berlin-travel.info |
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| 3. City Guide Berlin
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| Personal guided tours in Berlin and Potsdam in a variety of languages, by bike, steamer, waterairplane, balloon. |
| http://www.cityguideberlin.com |
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| 4. Lonely Planet World Guide: Berlin
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| Short geographical overview, information on events, attractions, history and modes of travel to and within Berlin. |
| http://www.lonelyplanet.com/worldguide/destinations/europe/germany/berlin |
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