The town is located on the south coast of Izmit Bay, between Gölcük and Halidere. It was the epicenter of the 1999 Marmara earthquake that almost wiped out the town as well as neighboring towns. Değirmendere is well known for its hazelnuts, sweet cherries, and public cultural activities.
The town is situated on the southern coast of Izmit Bay, between Gölcük and Halidere. It was the focal point of a catastrophic earthquake in 1999 that threatened to annihilate the town along with neighboring towns. Değirmendere is celebrated for its hazelnuts, sweet cherries, and communal cultural activities.