Langres Cathedral, officially known as the Cathedral of Saint-Mammès, is located in the city of Langres, France. This Roman Catholic cathedral is a prime example of Gothic architecture, featuring stunning stained glass windows and intricate stone carvings. It was built between the 12th and 18th centuries, showcasing various architectural styles that reflect its long history. The cathedral is dedicated to Saint Mammès, the patron saint of Langres. It stands on a hill, offering panoramic views of the surrounding countryside. Langres Cathedral is not only a place of worship but also a significant historical landmark, attracting visitors interested in French history and Gothic architecture.