Provins is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France. Known for its well-preserved …Provins is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France. Known for its well-preserved medieval architecture and importance throughout the Middle Ages as an economic center and a host of annual trading fairs, Provins became a UNESCO World Heritage Site in 2001.