Introduction
Commune in Occitania, FranceCastelnau-de-MontmiralCommuneThe main square in Castelnau-de-Montmiral Coat of armsLocation of Castelnau-de-MontmiralCastelnau-de-MontmiralShow map of FranceCastelnau-de-MontmiralShow map of OccitanieCoordinates: 43°57′59″N 1°49′18″E / 43.9664°N 1.8217°E / 43.9664; 1.8217CountryFranceRegionOccitaniaDepartmentTarnArrondissementAlbiCantonVignobles et BastidesIntercommunalityCA Gaillac-GraulhetGovernment • Mayor (2020–2026) Paul SalvadorArea188.81 km2 (34.29 sq mi)Population (2023)1,062 • Density11.96/km2 (30.97/sq mi)Time zoneUTC+01:00 (CET) • Summer (DST)UTC+02:00 (CEST)INSEE/Postal code81064 /81140Elevation153–485 m (502–1,591 ft)1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. Castelnau-de-Montmiral (French pronunciation: [kastɛlno də mɔ̃miʁal]; Occitan: Castèlnòu de Montmiralh) is a commune in the Tarn department in southern France.