[2] Singen is the northernmost district of Remchingen, its settlement area lies predominantly on the right side of the Pfinz running north-northwest there, which is joined by the Kämpfelbach from the east in the area of the village.

The Bundesstraße 10 on the left bank of the Pfin River connects Singen with Pforzheim in the southeast and Karlsruhe in the northwest.

Singen borders the communities of Pfinztal to the northwest, Königsbach-Stein to the east, Nöttingen and Karlsbad to the southwest.

[3] Singen merged with Wilferdingen on January 1, 1973, to form the municipality of Remchingen.

[4][5] The railroad station of Singen forms the local border to Wilferdingen.