Gryazi () is a town and the administrative center of Gryazinsky District in Lipetsk Oblast, Russia, located on the Matyra River (left tributary of the Voronezh; Don's basin)  southeast of Lipetsk, the administrative center of the oblast.
Gryazi () functions as both a town and the administrative center of Gryazinsky District in Lipetsk Oblast, Russia. It is located on the Matyra River, which flows into Voronezh and belongs to the Don's basin, southeast of Lipetsk, the oblast's capital.