Namborn is a municipality in the district of Sankt Wendel, in Saarland, Germany. It is situated approximately 7 km north of Sankt Wendel, and 25 km southwest of Idar-Oberstein. It is approximately 40 km northeast of Saarbrücken on highway B 41 and the Nahe Valley Railway line. The distance to the Bostalsee is about 10 km, and to the county seat St. Wendel about 7 km. The most famous landmark of the community is the ruins of Liebenburg Castle on the Schloßberg in the Eisweiler district. The administrative center is located in the Hofeld-Mauschbach district because of its convenient transport links and central location.