TORRE ANNUNZIATA, a seaport of Campania, Italy, in the province of Naples, on the east of the Bay of Naples, and at the south foot of Mt Vesuvius, 14 m. S.E. of Naples by rail. Pop. (1901), 28,070 (town); 28,084 (commune). It is on the main line to Battipaglia, at the point of junction of a branch line from Cancello round the east of Vesuvius, and of the branch to Castellammare di Stabia and Gragnano. It has a royal arms factory established by Charles IV., and other ironworks, considerable manufacture of macaroni, paper, breeding of silkworms, and some fishing and shipping. The harbour is protected by moles. Remains attributed to the Roman post-station of Oplontis were discovered in making the railway between Torre del Greco and Torre Annunziata, a little west of the latter, in 1842.