The French Flanders commune of Ardrésis is located about ten kilometers southeast of Calais, 27 km northeast of Boulogne-sur-Mer, 27 km northeast of Saint-Omer (Pas-de-Calais), and around twenty kilometers from the Franco-Belgian border. Its residents are referred to as Andrésiens.

The essential

— Saint-Jean Baptiste church

This church was rebuilt in 1754 by Viscount Des Androuins, the local lord, and dedicated to Saint John the Baptist. The exterior appearance of the church is noteworthy due to the variety of materials used – red bricks and white stone overlay in several equal layers. The facade is covered with flat tiles.