Port-Saint-PèrePort-Saint-Père is a commune in the Loire-Atlantique department in western France.WWW mairie-port-saint-pere.frGeographyPort-Saint-Père is situated on the west bank of the Acheneau, northwest of the Lac de Grand-Lieu.Sights Planète Sauvage, safari park.TransportPort-Saint-Père-Saint-Mars station is served by train services between Pornic, Saint-Gilles-Croix-de-Vie and Nantes.