Vărădia (Hungarian: Varadia) is a commune in Caraș-Severin County, in the west of Romania. It is composed of two villages, Mercina (Mercsény) and Vărădia.
It is located near the border with Serbia, on the Caraș River.
In Vărădia village there is a Romanian Orthodox church, a Romanian Greek-Catholic church and an old Orthodox church which is no longer used.
Coordinates: 45°05′N 21°33′E / 45.083°N 21.550°E / 45.083; 21.550