Merchweiler () is a municipality in the district of Neunkirchen, in Saarland, Germany. It is situated approximately west of Neunkirchen, and northeast of Saarbrücken. The municipality of Merchweiler consists of two parts: Merchweiler (village) and Wemmetsweiler (village).
Twin towns – sister cities Merchweiler is twinned with:
Falicon, France (1987)
References