Berlin Tourist Information - Official tourist information site with online reservation and event details.
Berlin Travel - Collection of hotel, excursions, concert and Fredric the Great information and booking opportunities.
City Guide Berlin - Personal guided tours in Berlin and Potsdam in a variety of languages, by bike, steamer, waterairplane, balloon.
Lonely Planet World Guide: Berlin - Short geographical overview, information on events, attractions, history and modes of travel to and within Berlin.
