Marais Poitevin, also known as the Green Venice, is a vast area of wetlands located in western France, in the region of Nouvelle-Aquitaine. The marsh covers over 100,000 hectares, and it's considered one of the most important wetlands in France.

The Marais Poitevin is a unique place, where the natural landscape is shaped by human activity. For centuries, the marshes have been used for fishing, hunting, and farming. The area is crossed by numerous canals, known as "conches," which are used for transportation and irrigation.

The landscape of Marais Poitevin is composed of a mix of wetlands, meadows, and forests. The area is home to a wide variety of flora and fauna, including rare species such as the European mink and the black-necked grebe.