Békés County (, ), is an administrative division (county or megye) in south-eastern Hungary, on the border with Romania. It shares borders with the Hungarian counties Csongrád, Jász-Nagykun-Szolnok and Hajdú-Bihar. The capital of Békés county is Békéscsaba. The county is also part of the Danube-Kris-Mures-Tisa euroregion.