Germany is a federal republic in Western Europe, consisting sixteen states with its largest city and capital at Berlin. Frankfurt am Main or commonly called Frankfurt is the largest city in the state of Hesse and fifth largest city of this country. It is also referred to as largest business and financial center of the continent. This financial capital of Continental Europe as well as transportation hub of the country is beautifully located on the banks of river Main. This river passes through the German states of Bavaria and Hesse. It is also popular worldwide for hosting world's most popular and important trade shows like Frankfurt Book Fair and Frankfurt Auto Show. These events attract worldwide crowds to the city. This city has a great tourist potential enveloped in its great past, culture, historical monuments and above all the contrast observed in its city center, where huge skyscrapers and old buildings are seen to be standing side by side. Unique attraction of the city is its skyscrapers and out of the total high rising buildings, most of them are concentrated here. Frankfurt is supported by the most modern transportation system including a smooth road network, explicit rail network and the ultramodern airports facilitating rapid air transportation.