town of Gryazi
Gryazinsky District Wikipedia
Gryazinsky District (Russian: Гря́зинский райо́н) is an administrative and municipal district (raion), one of the eighteen in Lipetsk Oblast, Russia. It is located in the southeast of the oblast. The area of the district is 1,440 square kilometers (560 sq mi). Its administrative center is the town of Gryazi. Population: 75,159 (2010 Census); 73,622 (2002 Census); 26,821 (1989 Census). The population of Gryazi accounts for 62.3% of the district's total population.