The arrondissement of Saint-Gaudens is an arrondissement of France.  It is part of the Haute-Garonne département in the Occitanie region. Its capital is the city of Saint-Gaudens.

History
When the Haute-Garonne department was created in 1790, Saint-Gaudens was one of the districts of the department and, with the creation of arrondissements in 1800, the arrondissement of Saint-Gaudens was part of that original department.

Geography
It is the most southern of the arrondissements of the department, with an area of ; most of the arrondissement lies on the Pyrenees mountain range. It is the arrondissement of Haut-Garonne with fewest people living there, with a population with 77,545 inhabitants and a density of  inhabitants/km²

The arrondissement is bordered  north by the Gers (Occitanie) department, to the northeast by the arrondissement of Muret, to the east by the Ariège (Occitanie) department, to the south by Spain and to the west by the Hautes-Pyrénées (Occitanie) department.

Composition

Cantons
After the reorganisation of the cantons in France, cantons are not subdivisions of the arrondissements so they could have communes that belong to different arrondissements.

In the arrondissement of Saint-Gaudens, there is only one canton where not all their "communes" are in the arrondissement, the canton of Cazères. The following table shows the distribution of the "communes" in the cantons and arrondiissements:

Communes
The arrondissement of Saint-Gaudens has 237 communes; they are (with their INSEE codes):

 Agassac (31001)
 Alan (31005)
 Ambax (31007)
 Anan (31008)
 Antichan-de-Frontignes (31009)
 Antignac (31010)
 Arbas (31011)
 Arbon (31012)
 Ardiège (31013)
 Arguenos (31014)
 Argut-Dessous (31015)
 Arlos (31017)
 Arnaud-Guilhem (31018)
 Artigue (31019)
 Aspet (31020)
 Aspret-Sarrat (31021)
 Aulon (31023)
 Aurignac (31028)
 Ausseing (31030)
 Ausson (31031)
 Auzas (31034)
 Bachas (31039)
 Bachos (31040)
 Bagiry (31041)
 Bagnères-de-Luchon (31042)
 Balesta (31043)
 Barbazan (31045)
 Baren (31046)
 Beauchalot (31050)
 Belbèze-en-Comminges (31059)
 Benque (31063)
 Benque-Dessous-et-Dessus (31064)
 Bezins-Garraux (31067)
 Billière (31068)
 Binos (31590)
 Blajan (31070)
 Boissède (31072)
 Bordes-de-Rivière (31076)
 Boudrac (31078)
 Boulogne-sur-Gesse (31080)
 Bourg-d'Oueil (31081)
 Boussan (31083)
 Boutx (31085)
 Bouzin (31086)
 Burgalays (31092)
 Cabanac-Cazaux (31095)
 Cardeilhac (31108)
 Cassagnabère-Tournas (31109)
 Cassagne (31110)
 Castagnède (31112)
 Castelbiague (31114)
 Castelgaillard (31115)
 Castéra-Vignoles (31121)
 Castillon-de-Larboust (31123)
 Castillon-de-Saint-Martory (31124)
 Cathervielle (31125)
 Caubous (31127)
 Cazac (31593)
 Cazaril-Laspènes (31129)
 Cazaril-Tambourès (31130)
 Cazaunous (31131)
 Cazaux-Layrisse (31132)
 Cazeaux-de-Larboust (31133)
 Cazeneuve-Montaut (31134)
 Charlas (31138)
 Chaum (31139)
 Chein-Dessus (31140)
 Ciadoux (31141)
 Cier-de-Luchon (31142)
 Cier-de-Rivière (31143)
 Cierp-Gaud (31144)
 Cirès (31146)
 Clarac (31147)
 Coueilles (31152)
 Couret (31155)
 Cuguron (31158)
 Le Cuing (31159)
 Encausse-les-Thermes (31167)
 Eoux (31168)
 Escanecrabe (31170)
 Escoulis (31591)
 Esparron (31172)
 Estadens (31174)
 Estancarbon (31175)
 Esténos (31176)
 Eup (31177)
 Fabas (31178)
 Figarol (31183)
 Fos (31190)
 Fougaron (31191)
 Francazal (31195)
 Franquevielle (31197)
 Le Fréchet (31198)
 Fronsac (31199)
 Frontignan-de-Comminges (31200)
 Frontignan-Savès (31201)
 Galié (31207)
 Ganties (31208)
 Garin (31213)
 Génos (31217)
 Gensac-de-Boulogne (31218)
 Gouaux-de-Larboust (31221)
 Gouaux-de-Luchon (31222)
 Goudex (31223)
 Gourdan-Polignan (31224)
 Guran (31235)
 Herran (31236)
 His (31237)
 Huos (31238)
 L'Isle-en-Dodon (31239)
 Izaut-de-l'Hôtel (31241)
 Jurvielle (31242)
 Juzet-d'Izaut (31245)
 Juzet-de-Luchon (31244)
 Labarthe-Inard (31246)
 Labarthe-Rivière (31247)
 Labastide-Paumès (31251)
 Labroquère (31255)
 Laffite-Toupière (31260)
 Lalouret-Laffiteau (31268)
 Landorthe (31270)
 Larcan (31274)
 Larroque (31276)
 Latoue (31278)
 Lécussan (31289)
 Lège (31290)
 Lespiteau (31294)
 Lespugue (31295)
 Lestelle-de-Saint-Martory (31296)
 Lez (31298)
 Lieoux (31300)
 Lilhac (31301)
 Lodes (31302)
 Loudet (31305)
 Lourde (31306)
 Lunax (31307)
 Luscan (31308)
 Malvezie (31313)
 Mancioux (31314)
 Mane (31315)
 Marignac (31316)
 Marsoulas (31321)
 Martisserre (31322)
 Martres-de-Rivière (31323)
 Mauvezin (31333)
 Mayrègne (31335)
 Mazères-sur-Salat (31336)
 Melles (31337)
 Milhas (31342)
 Mirambeau (31343)
 Miramont-de-Comminges (31344)
 Molas (31347)
 Moncaup (31348)
 Mondilhan (31350)
 Mont-de-Galié (31369)
 Montastruc-de-Salies (31357)
 Montauban-de-Luchon (31360)
 Montbernard (31363)
 Montespan (31372)
 Montesquieu-Guittaut (31373)
 Montgaillard-de-Salies (31376)
 Montgaillard-sur-Save (31378)
 Montmaurin (31385)
 Montoulieu-Saint-Bernard (31386)
 Montréjeau (31390)
 Montsaunès (31391)
 Moustajon (31394)
 Nénigan (31397)
 Nizan-Gesse (31398)
 Oô (31404)
 Ore (31405)
 Payssous (31408)
 Péguilhan (31412)
 Peyrissas (31414)
 Peyrouzet (31415)
 Pointis-de-Rivière (31426)
 Pointis-Inard (31427)
 Ponlat-Taillebourg (31430)
 Portet-d'Aspet (31431)
 Portet-de-Luchon (31432)
 Poubeau (31434)
 Proupiary (31440)
 Puymaurin (31443)
 Razecueillé (31447)
 Régades (31449)
 Rieucazé (31452)
 Riolas (31456)
 Roquefort-sur-Garonne (31457)
 Rouède (31461)
 Saccourvielle (31465)
 Saint-André (31468)
 Saint-Aventin (31470)
 Saint-Béat (31471)
 Saint-Bertrand-de-Comminges (31472)
 Saint-Élix-Séglan (31477)
 Saint-Ferréol-de-Comminges (31479)
 Saint-Frajou (31482)
 Saint-Gaudens (31483)
 Saint-Ignan (31487)
 Saint-Lary-Boujean (31493)
 Saint-Laurent (31494)
 Saint-Loup-en-Comminges (31498)
 Saint-Mamet (31500)
 Saint-Marcet (31502)
 Saint-Martory (31503)
 Saint-Médard (31504)
 Saint-Paul-d'Oueil (31508)
 Saint-Pé-d'Ardet (31509)
 Saint-Pé-Delbosc (31510)
 Saint-Plancard (31513)
 Saleich (31521)
 Salerm (31522)
 Salies-du-Salat (31523)
 Salles-et-Pratviel (31524)
 Saman (31528)
 Samouillan (31529)
 Sarrecave (31531)
 Sarremezan (315Saux-et-Pomarède32)
 Sauveterre-de-Comminges (31535)
 Saux-et-Pomarède (31536)
 Savarthès (31537)
 Sédeilhac (31539)
 Seilhan (31542)
 Sengouagnet (31544)
 Sepx (31545)
 Signac (31548)
 Sode (31549)
 Soueich (31550)
 Terrebasse (31552)
 Touille (31554)
 Les Tourreilles (31556)
 Trébons-de-Luchon (31559)
 Urau (31562)
 Valcabrère (31564)
 Valentine (31565)
 Villeneuve-de-Rivière (31585)
 Villeneuve-Lécussan (31586)

The communes in the arrondissement with more inhabitants are:

Related pages
 Arrondissements of the Haute-Garonne department
 Communes of the Haute-Garonne department

References

Saint-Gaudens