Montreuil, Pas-de-Calais

commune in Pas-de-Calais, France
Blason ville fr Montreuil-sur-Mer (Pas-de-Calais).svg

Montreuil-sur-Mer (officially, Montreuil) is a commune. It is found in the region Nord-Pas-de-Calais in the Pas-de-Calais department in the north of France.