Tiris al-Gharbiyya

Western Tiris تيرس الغربية (Arabic) Tīris al-Ġarbiyya
Province of Mauritania
1975–1979
Flag Seal
The striped blue and green is Western Tiris.
Anthem
النشيد الوطني الموريتاني "Nashid Wataniin Muritaniin"
Capital	Dakhla
Area
• Coordinates	23°43′N 15°57′W / 23.717°N 15.950°W / 23.717; -15.950
• 1977	88,000 km2 (34,000 sq mi)
Population
• 1977	12,897
Government
• Type	Province
President
• (1975 - 1978)	Moktar Ould Daddah
• (1978 - 1979)	Mustafa Ould Salek
History
• Madrid Accords	November 14, 1975
• Mauritanian invasion of Spanish Sahara	November 27, 1975
• Partition of Spanish Sahara	April 14, 1976
• Mauritania evacuates Western Tiris	August 5, 1979
• Annexation of Western Tiris by Morocco	August 11, 1979
Preceded by Succeeded by Spanish Sahara Southern Provinces Ras Nouadhibou Free Zone (region)

Tiris al-Gharbiyya (Arabic: تيرس الغربية, romanized: Tīris al-Ġarbiyya, lit. 'Western Tiris') was the name for the area of Western Sahara under Mauritanian control between 1975 and 1979.