Saint-Germain-en-Laye is a "sous-préfecture" of the Yvelines "département", being the seat of the Arrondissement of Saint-Germain-en-Laye.
Saint-Germain-en-Laye is a commune in the western suburbs of Paris in France. It is a "sous-préfecture" of the Yvelines "département", being the seat of the Arrondissement of Saint-Germain-en-Laye.