Midden-Groningen (Gronings: Midden-Grunnen) is a municipality with a population of 60,953 in the province of Groningen, Netherlands. The municipality was formed by the merger of former municipalities of Hoogezand-Sappemeer, Slochteren and Menterwolde on 1 January 2018 in the context of the municipal redivision in the province of Groningen 2013âÂÂ2018.
The municipality consists of the following villages and hamlets: Borgercompagnie, Foxhol, , Harkstede, Hellum, Hoogezand, , Kolham, Kropswolde, , Martenshoek, Meeden, Muntendam, Noordbroek, , Sappemeer, , Schildwolde, Siddeburen, Slochteren, , , Tripscompagnie, , , , Zuidbroek.
The neighbourhood of Meerstad, which belonged to the former municipality of Slochteren, was added to the municipality of Groningen on 1 January 2017 and therefore did not participate in the merger.
On 15 March 2016, the new name for the merged municipality was announced in the village center of Zuidbroek. Midden-Groningen was opted out by the residents among two other nominees - Hogewolden and Woldmeren - with 48 percent of the votes. On 26 April 2016, the name was confirmed by the three municipal councils.