Castelnau-d'Estrétefonds is a commune in the Haute-Garonne department in southwestern France. It is served by Castelnau-d'Estrétefonds station on the Bordeaux-Toulouse line.
Wikipedia https://en.wikipedia.org/wiki/Castelnau-d'Estrétefonds
Official Website http://www.mairie-castelnau.eu/
Coordinates 43°46'57.036" N 1°21'32.721" E
