OrnézanOrnézan is a commune in the Gers department in southwestern France.GeographyLocalisationOrnézan is located 16 km south of Auch and 2 km north of Seissan, along the Gers river.ToponymyOrnézan finds its origin in the Latin patronymic name Ornatius, followed by the suffix -anum, designing a property of which a man named Ornatius must have been the owner in the times of Roman Gaul. The village is later known in Latin as Ornezanus and Ornesan in Gascon, before becoming Ornézan in French.