Șilindia is a commune located in Arad County, Romania. It is situated within the Crișul Alb Basin at the northern feet of the Cigherul Hills along the river Cigher.
The commune covers a total surface area of 3093 hectares and is composed of five villages: Camna (Kávna), Iercoșeni (Újárkos), Luguzău (Lugozó), Satu Mic (Dezsőháza), and Șilindia.