Sarre-Union (French pronunciation: [saʁ ynjɔ̃]; German: Saarunion) is a commune in the Bas-Rhin department in Grand Est in north-eastern France.

It consists of two older towns that were unified on 16 June 1794. On the east bank of the river Sarre is the town of Bouquenom (German: Bockenheim) and on the west bank the town of Ville Neuve de Sarrewerden (German: Neu-Saarwerden). It was renamed Saar-Buckenheim between 1940 and 1944 during Nazi Germany occupation.

Population

Historical population

Year	Pop.	±% p.a.
1968	2,965	—
1975	3,130	+0.78%
1982	3,169	+0.18%
1990	3,159	−0.04%
1999	3,356	+0.67%
2007	3,161	−0.75%
2012	2,961	−1.30%
2017	2,823	−0.95%
Source: INSEE

Sports

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• Basket Club Alsace Bossue

See also

• Communes of the Bas-Rhin department