Germany lies at the heart of Europe, bounded by nine other countries and the North seas and Baltic States. It occupies a land area of 357,021 square kilometer. Berlin is the grand capital and German's largest city. German has excellent transport system with major seaports in Bremen and Hamburg, highly efficient rail and road network, and 14 international airports. Germany grows about two-thirds of its food crops needed. The areas bordering Moselle and Rhine rivers are ideal for growing grapes, which are used for producing world famous white wines. Germany is one of the world's largest car manufacturers, their famous brands are Porsche, BMW, and Mercedes-Benz. Volkswagen is an internationally renowned make. Germany ranks high in the world and leads rest of Europe in Shipbuilding; Hamburg the largest port has a long tradition of shipbuilding. Electronic Gadgets such as computers, electronic equipment, and calculators form a large part of industrial output. The country is also into the production of optical instruments. German society pride itself on equal opportunities and comprehensive social welfare system.