Hammerstein is a municipality located on the river Rhine in the district of Neuwied within the state of Rhineland-Palatinate, Germany. It serves as a geographical point situated along one of the region's primary waterways.
The area is notable for the presence of Hammerstein Castle, which is located near the village. Additionally, the municipality is associated with the ancient German noble family Hammerstein, who are recognized for sponsoring the Hammerstein Ballroom in New York.