Frankfurt is the largest city in the German state of Hesse and the fifth-largest city in Germany. It's located on the Main River in central Germany. Frankfurt is among the world's leading financial centres and one of the most cosmopolitan. It is the country's economic, transportation, and cultural centre. Since the Middle Ages, Frankfurt is renowned for influencing other cities around the world. It is famous for its astounding medieval-style buildings and modern skyscrapers that stand side by side to complement each other. Some of the places that make it famous include the amazing ancient buildings, the Goethe House, St. Bartholomew's Cathedral, Palmengarten, Städel Museum, and the Main Tower.

Census in Germany is done after every 10 years and 2011 was the last time that it was conducted. The next census is scheduled for 2021 in Germany. According to the 2011 census, Frankfurt had a population of 679,664. Compared to other cities in Germany, Frankfurt is considered to be more diverse. According to the 2011 census, 44% of the population in Frankfurt was of a migrant background. When it comes to religious beliefs, Frankfurt is known to be diverse as most people identify themselves as Christian, Muslim, Hindu and Buddhist. According to the data collected during the 2011 census, 45% people in Frankfurt identified themselves as Christian, 12% as Muslim, 2% Hindu, 1% Buddhist and 40% Other religions or non-religious. Frankfurt houses over 700,000 residents, who collectively speak many languages, including Turkish, Arabic, Italian, English, Polish, Russian and of course German. Frankfurt houses the European Central Bank which is one of the world's most important central banks responsible for monetary stability in the euro zone.

Frankfurt is governed by the Mayor and the city council. The city is divided into 46 city districts which are further divided into 121 city boroughs. The city council is the main representative body of the city and is responsible for all important decisions. The council has 93 members who are elected every five years. The Mayor of Frankfurt has a lot of influence over the city and is responsible for representing the city, chairing the city council meetings and leading the city's administration. The current Mayor of Frankfurt is Peter Feldmann.

Frankfurt has always been a commercial city and today enjoys the status of having one of the largest city economies in Germany. The city thrives in trade and finance and has a GDP of over €94 billion, which is about 21% of the Hesse's total GDP. The size of its economy is larger than that of several European nations. Frankfurt Airport is one of the world's busiest international airports and Frankfurt Central Station is one of the largest terminal stations in Europe.

Frankfurt's infrastructure is one of the most modern and efficient in the world. The city is well connected by highways, railways and has one of the busiest airports in the world. The Frankfurt Airport is the major hub for Lufthansa and handles over 60 million passengers every year. The city also has a well-developed public transportation system including trams, buses, and the U-Bahn and S-Bahn rapid transit systems. Frankfurt's digital infrastructure is also highly developed, with high-speed broadband and mobile internet widely available.