👉 Calais is a town located on the French Riviera, in the region of Nord-Pas-de-Calais, part of the Grand Est department. It is known for its picturesque streets and charming medieval quarter that has been heavily influenced by Romanesque architecture. Calais was once an important naval port, where ships would stop to unload coal from the north coast before being loaded onto their way back to Europe. The town's name comes from the Latin word "calis" which means "sea