Adjud is a city in Vrancea County, Western Moldavia, Romania. It has a population of 15,178 inhabitants. It lies at a railway junction which has a classification yard and a passenger station. Adjud, situated north of the point where the river Trotuș enters the Siret, used to be a marketplace.

Vrancea is a county (județ) in Romania, with its seat at Focșani. It is mostly in the historical region of Moldavia but the southern part, below the Milcov River, is in Muntenia.