The Principality of Aigues-Mortes is a small, self-proclaimed principality located in the town of Aigues-Mortes, in the Occitanie region of southern France. Established in 1977, it was created as a cultural and historical initiative to promote the heritage of the area, particularly its medieval architecture and history. The principality is known for its well-preserved medieval walls and the Tour de Constance, a historic tower. It operates under a unique set of local laws and customs, attracting visitors interested in its quirky governance and rich history. The principality also hosts various cultural events throughout the year.