Nereju is a commune located in Vrancea County, Romania.

On January 31, 2020, a magnitude 4.8 earthquake struck 5 kilometers WNW of the town.

[2] Main economic activities are in the wood industry (the surrounding hills are rich in coniferous forests), mountainous ecological agriculture, mountainous tourism, folk arts and traditions.

Main touristic sights are: Chipărușul is a local artistic group which features pre-Christian rituals involving masks and other folkloric elements.

The DJ205D road was improved in 2016; the county seat Focșani is some 75 km (47 mi) distant along this route.