Throughout history, cities have been an important center for human development. They connect people and are an opportunity for innovation, politics, and culture. Often cities are the main drivers of economic growth in a country, accounting for more than 80% of GDP.
Today, wealthy cities have modern skyscrapers, fantastic infrastructure, and economic growth. While cities can be rich in terms of wealth and how many billionaires they host, other factors, such as resources, and skills a city has are important factors in wealth. During Medieval times cities close to the sea had an advantage for trade and tended to be wealthier. Here are some of the wealthiest cities in Medieval Europe.
Constantinople

Siege of ConstantinopleThe siege of Constantinople was a crucial engagement during the Arab-Byzantine wars between 674 and 678.
Venice

The location of Venice was ideal in Medieval times for trade. Venice was directly between Constantinople and Western Europe, on the way to population centers. In 1082, in exchange for aiding the Byzantine Empire against the Normans, the Byzantine Emperor Alexius I Comnenus allowed Venice unrestricted trade with the Byzantine Empire. This meant Venice did not have to pay customs fees, had access to Byzantine ports, and had the protection of property rights from Byzantine authorities. Venice foreign traders were also the first foreign traders to allow buildings in Constantinople. This led to more economic power for Venice. Eventually, the city went on to create its own Empire, with colonies in the Western Mediterranean. Today Venice is a popular tourist destination.
Paris

However, prior to these disturbances, Paris built some of its most stunning buildings still admired to this day. These included the Notre-Dame cathedral, the Sainte Chapelle, the first covered market of Les Halles, and the Palais de la Cité. The Notre Dame cathedral was an important building in Medieval times and took over one hundred years to complete. Construction started in 1163 CE and was not completed until 1345 CE. The Sainte Chapelle was a royal chapel built in the Gothic style with extensive stained glass.
Bruges

Bruges had its own port and was an international center for trade, made possible by its favorable connection to the sea. Merchants from across Europe traveled to settle in Bruges because, at the time, it was the leading trade center in Northwestern Europe. The first stock exchange, called Beurs in Dutch, was even founded in Bruges. The stock exchange in the middle ages looked a lot different than the stock exchange today. A powerful family of brokers, the Van der Beurse family, held the stock exchange on a square in front of their house. Beyond being a trade center, Bruges was also a political powerhouse. The city was overseen by the Flemish Counts.
Ghent

Throughout the 11th and 12th centuries, Ghent imported English wool to make cloth locally. This was a source of economic success for the city. During this time Philip of Alsace built the Castle of the Counts. The castle was a political center and the home of the Counts of Flanders from 1180 until 1353.
Beyond having magnificent architecture in Medieval times, Ghent was a large city. Ghent was bigger than London and the people more rebellious. During the 14th century, the 60,000 inhabitants of the city refused to give up their rights without a fight when princes and earls tried to take over the city. As a result, people in the trades and guilds gained more power in the 14th century and Ghent became more democratic.
Florence

While politics was changing in Florence currently, so were the social dynamics. Merchants became a new social class. This extended beyond existing clergy, military, and civilians which brought more economic wealth and prosperity to the city.
Conclusion
Throughout history, wealth has changed hands. Different cities have been wealthy at different time periods. The cities listed here were some of the wealthiest cities in Europe in Medieval times, however, today wealth has changed hands. While many of these cities are economic centers and tourist attractions today, not all have maintained their wealth. Access to resources often determines wealth and economic success. In Medieval Europe cities close to rivers and the sea had an advantage for trade and were usually wealthier.While Europe took the center stage for wealth in the Middle Ages, today, cities in North America and the Asia-Pacific region are some of the wealthiest in the world. Of these cities, many are in countries with official investment migration policies. These policies promote economic growth by encouraging foreign direct investment in exchange for citizenship.