A borough of Luzerne county, Pennsylvania, U.S.A., on the north branch of the Susquehanna river, adjoining Kingston and close to the north-western limits of Wilkes-Barre (on the opposite side of the river), in the northeastern part of the state; the official name of the post office is Edwardsdale. Pop. (1890), 3284; (1900), 5165, of whom 2645 were foreign-born, many being Welsh. It is served by the electric line of the Wilkes-Barre & Wyoming Valley Traction Co. Coal mining and brewing are the chief industries. Edwardsville was incorporated in 1884.