Located 10 km north of Auch, the town covers 10.67 square kilometers divided into two ridges: one hosting the main cluster, the second, farther north, the Hamlets of the Testere and Gaudoux .
Preignan The village takes its name Prineus Premius anthroponym or Latin. The remains of a Gallo-Roman villa on the ridge shows the Gallo-Roman presence from the 1st century AD.
At the center of the department (75 km Toulouse, Agen 65 km, Mont-de-Marsan to 110 km, Tarbes at 82 km), the town is ideally placed at the intersection of RN 21 (north south to the Pyrenees and Spain) and RN 124 (east west towards Toulouse and the Atlantic coast).
Served by bus from the station and the TGV Agen-Bordeaux-Paris, is near the civil airport of Auch (3 km), and airports of Toulouse (73 km), and Agen (63 km).
Its population of 600 inhabitants in the early '80s, is currently identified to 1475 inhabitants.
Since 1997, the town is twinned with a local Spanish province of Castilla La Mancha, Corral de Calatrava.