ESTON, urban district, Cleveland parliamentary division, North Riding of Yorkshire, England, 4 m. E.S.E. of Middles brough, on a branch of the L.N.E. railway. Pop. (1931), 31,142, It is situated at an altitude of between 10o and r 5o ft. at the foot of the north-westward facing scarp of Eston Beacon (r,800 ft.). This is one of the principal centres from which the great ironstone deposits of the Cleveland hills are worked, and there are extensive blast furnaces, iron-foundries and steam saw-mills in the district. Numerous early earthworks fringe the hills to the south. Morton, 3 m. S.W. of Eston, was the birthplace of Captain Cook (1728).