This document provides a guide for young travelers to Berlin, Germany. It begins with a brief history of Berlin, from its founding in the 13th century through its division after World War 2 and reunification. It then discusses Berlin's extensive public transportation system, which includes the U-Bahn underground trains, S-Bahn commuter trains, trams, and buses. The guide offers tips on getting around the city via its efficient and easy-to-use public transit.