Port-Royal-des-Champs

48°44′39″N 2°0′58″E / 48.74417°N 2.01611°E / 48.74417; 2.01611

Port-Royal-des-Champs (French pronunciation: [pɔʁ ʁwajal de ʃɑ̃]) was an abbey of Cistercian nuns in Magny-les-Hameaux, in the Vallée de Chevreuse southwest of Paris that launched a number of culturally important institutions.