Gisors. Gisors is a commune of Normandy, France. It is located 62.9 km northwest from the centre of Paris. Gisors, together with the neighbouring communes of Trie-Château and Trie-la-Ville, form an urban area of 12,669 inhabitants. This urban area is a satellite town of Paris. Gisors is located in the Vexin normand region of Normandy, at the confluence of the Epte, Troesne and Réveillon rivers. The Gisors station is the terminus of a Transilien suburban rail service from the Paris Saint-Lazare station. Château de Gisors, built in the 11th century. The Saint-Gervais-Saint-Protais parish church is an outstanding monument fusing Gothic and Renaissance architecture. A field near Gisors was the site of the Cutting of the elm, a medieval diplomatic incident.