== Geografie ==Tarn is omgeven door de departementen Aveyron, Hérault, Aude, Haute-Garonne en Tarn-et-Garonne. ###>Tarn is bounded north and east by Aveyron, southeast by Hérault, south by Aude, southwest and west by Haute-Garonne, northwest by Tarn-et-Garonne.