Toffen is a municipality in the Bern-Mittelland administrative district in the canton of Bern in Switzerland. It lies approximately 10 km south of the city of Bern.The palace situated there, Toffen Castle, is a heritage site of national significance.HistoryToffen is first mentioned in 1148 as Toffen.The oldest trace of a settlement in the area is a Bronze Age grave which was discovered near the castle. During the Roman era there was a manor house near Bodenacker. In addition to the house, Roman coins and ceramics have been found around the municipality. The Romans also quarried Tuff stone from the area and the Latin word for Tuff, tofus probably becoming Toffen. By the 13th century it was part of the Herrschaft of the Freiherr von Belp-Montenach. Around 1300 the village was acquired by another noble family and for several centuries it was owned by a number of different noble families. By the mid-14th century Bern ruled over the village and the owners now included Bernese patrician families.