Germany, officially known as the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It is the largest country in Central Europe and the fourth largest country by both area and population in Europe. Germany is a major economic and political power in Europe and is a member of the European Union. The country has a diverse landscape, with forests, rivers, and mountains in the south and flat plains in the north. The capital and largest city is Berlin, while other major cities include Hamburg, Munich, Cologne, and Frankfurt. Germany has a rich cultural heritage, including famous composers such as Bach and Mozart, and is known for its beer festivals and Christmas markets.