Binnenmaas was a municipality in the western Netherlands, in the province of South Holland. The municipality had a population of 0 in, and covers an area of undefined km2 of which undefined km2 is water. It is named after the lake of the same name. The municipality was formed on 1 January 1984 by the merger of the municipalities Puttershoek, Maasdam, Mijnsheerenland, Westmaas, and Heinenoord. On 1 January 2007 the municipality 's-Gravendeel was added to Binnenmaas. On 1 January 2019 it was merged with Cromstrijen, Korendijk, Oud-Beijerland, and Strijen to form the municipality of Hoeksche Waard. The municipality of Binnenmaas consists of the following communities: Blaaksedijk, De Wacht, Goidschalxoord, 's-Gravendeel, Greup, Heinenoord, Kuipersveer, Maasdam, Maasdijk, Mijnsheerenland, Puttershoek, Reedijk, Schenkeldijk, Sint Anthoniepolder, Westdijk, Westmaas and Zwanegat.

Topography

Dutch Topographic map of the municipality of Binnenmaas, June 2015.