Castillon-Massas (Castillon-Massas)
- commune in Gers, France
- Country:
- Postal Code: 32360
- Coordinates: 43° 43' 9" N, 0° 32' 38" E
- GPS tracks (wikiloc): [Link]
- Area: 9.59 sq km
- Population: 249
- Web site: http://castillonmassas.a3w.fr
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q1007111
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03nrp8z]
- GeoNames ID: Alt: [6448372]
- SIREN number: [213200892]
- BnF ID: [15255676b]
- INSEE municipality code: 32089
Shares border with regions:


Peyrusse-Massas
- commune in Gers, France
- Country:
- Postal Code: 32360
- Coordinates: 43° 44' 17" N, 0° 33' 13" E
- GPS tracks (wikiloc): [Link]
- Area: 6.49 sq km
- Population: 99


Auch
- commune in Gers, France
- Country:
- Postal Code: 32000
- Licence Plate Code: 32
- Coordinates: 43° 38' 43" N, 0° 35' 19" E
- GPS tracks (wikiloc): [Link]
- Area: 72.48 sq km
- Population: 21943
- Web site: [Link]

Roquelaure
- commune in Gers, France
- Country:
- Postal Code: 32810
- Coordinates: 43° 43' 13" N, 0° 34' 44" E
- GPS tracks (wikiloc): [Link]
- Area: 21.23 sq km
- Population: 576
Saint-Lary
- commune in Gers, France
- Country:
- Postal Code: 32360
- Coordinates: 43° 43' 24" N, 0° 30' 0" E
- GPS tracks (wikiloc): [Link]
- Area: 9.67 sq km
- Population: 285
Castin
- commune in Gers, France
- Country:
- Postal Code: 32810
- Coordinates: 43° 41' 27" N, 0° 32' 47" E
- GPS tracks (wikiloc): [Link]
- Area: 11.22 sq km
- Population: 332


Lavardens
- commune in Gers, France
- Country:
- Postal Code: 32360
- Coordinates: 43° 45' 39" N, 0° 30' 49" E
- GPS tracks (wikiloc): [Link]
- Area: 30.55 sq km
- Population: 394