Bruges

In 1409, the Huis ter Beurze inn opened in Bruges, which became the first stock exchange and the most developed financial market in the Netherlands in the 15th century.

An excerpt from the article 31 facts about Bruges

The city had a thriving banking and trading system. The interests of traders were protected by 21 consuls. The famous Roles de Damme basic maritime code was also established there.