Halbs is an Ortsgemeinde – a community belonging to a Verbandsgemeinde – in the Westerwaldkreis in Rhineland-Palatinate, Germany.
Halbs lies 3 km north of Westerburg on a bank in the middle of a wooded and field area. Since 1972 it has belonged to what was then the newly founded Verbandsgemeinde of Westerburg, a kind of collective municipality.
Bordering on Halbs are Ailertchen, Hergenroth and Stahlhofen am Wiesensee.
The council is made up of 9 council members, including the extraofficial mayor (Bürgermeister), who were elected in a majority vote in a municipal election on 7 June 2009.
North of the community runs Bundesstraße 255, leading from Montabaur to Herborn. The nearest Autobahn interchange is Diez on the A 3 (Cologne–Frankfurt). The nearest InterCityExpress stop is the railway station at Montabaur on the Cologne-Frankfurt high-speed rail line.