Efringen-Kirchen is a municipality in the district of Lörrach in Baden-Württemberg, Germany.

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Quick Facts Country, State ...

Efringen-Kirchen
Municipality
Coat of arms
Location of Efringen-Kirchen within Lörrach district
Efringen-Kirchen Show map of Germany Efringen-Kirchen Show map of Baden-Württemberg
Coordinates: 47°39′20″N 7°33′57″E
Country	Germany
State	Baden-Württemberg
Admin. region	Freiburg
District	Lörrach
Subdivisions	9
Government
• Mayor (2022–30)	Carolin Holzmüller[1] (FDP)
Area
• Total	43.74 km2 (16.89 sq mi)
Elevation	258 m (846 ft)
Population  (2022-12-31)[2]
• Total	8,773
• Density	200/km2 (520/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal codes	79588
Dialling codes	07628
Vehicle registration	LÖ
Website	www.efringen-kirchen.de

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During World War I fortifications were built at Istein; these were destroyed at the end of the war. In 1936 plans were drawn up to turn the location into the "Gibraltar of the West" with two kilometres of underground passages linking gun emplacements and bunkers. The site was to host an underground garage for over 100 tanks, 3600 men and as part of the Siegfried Line it would dwarf similar Maginot Line fortifications. Work began in 1937 and Hermann Göring visited in the spring of 1938. By 1939 several installations were complete but as the war progressed advantageously for the Germans in 1940 the site remained unfinished.^[3]

• Blansingen
• Efringen
• Egringen [de]
• Huttingen
• Istein
• Kirchen
• Kleinkems
• Mappach
• Maugenhard
• Welmlingen
• Wintersweiler^[4]