(Pol. Leszno), a town of Prussia, in the province of Posen, and 42 miles S.S.W. from the town of that name. Its chief buildings are several churches, a Protestant gymnasium, a synagogue, and a castle. There are extensive manufactories of woollen and linen cloths, leather, tobacco, and chicory. It has a small trade in wine. Pop. (1849) 9635.

(ancient Issa), an island in the Adriatic, off the Dalmatian coast, about 10 miles in length by 5 miles broad, in N. Lat. 43° 5', E. Long. 16° 10'. Its shores are generally steep and rocky, and it is only accessible at a few bays. The soil is barren; wine and anchovies form the chief products. Issa was long known to the ancients, and is said by Scylax to have been peopled at an early period by Greeks. During the ascendancy of Rome, the inhabitants had the privileges of Roman citizens, and often assisted that power in its maritime expeditions. In modern times it is famous for the victory gained by the British under Sir W. Hoste over a French squadron, in 1811, after which it was occupied for some time by British troops. The chief town and seaport is San Giorgio, or Lissa, situate on the N.E. shore, with a pop. of 2800. Pop. of island, 5200.