The following places are called Marbach:

in Germany

• the town Marbach am Neckar, district Ludwigsburg, Baden-Württemberg

• a part-City of Erbach (Odenwald) in Hessen
• a part-City of Gomadingen , Baden-Württemberg ('Marbach an der Lauter')

in Austria

• the town Marbach an der Donau in Niederösterreich
• Marbach an der Kleinen Krems
• the town Marbach am Walde in Niederösterreich
• the town Marbach (Gemeinde Ried) in Oberösterreich

in the Swiss

• Marbach SG
• Marbach LU

For more places called 'Marbach' see the German wikiPage