Hamm (Sieg)
Hamm is a municipality in the district of Altenkirchen, in Rhineland-Palatinate, Germany. It is situated on the river Sieg, approx. 10 km north-east of Altenkirchen, and 40 km east of Bonn.
Hamm is the seat of the Verbandsgemeinde Hamm (Sieg). It is the home of the honouring Friedrich Wilhelm Raiffeisen who pioneered rural credit unions.