Why didn't the allied forces choose Calais instead of Normandy?

The Allied forces chose Normandy over Calais for several strategic reasons. Calais was the closest point to Britain and easily anticipated as the primary landing site by German forces, making it heavily fortified. In contrast, Normandy offered a less defended coastline and greater potential for surprise, which was crucial for the success of the D-Day invasion. Additionally, the diverse geography of Normandy provided better options for troop movements and supply lines after establishing a beachhead.