PETSH, or IREK, a town of European Turkey, province of Albania, on both sides of the Bistritza, 56 miles E.N.E. of Scutari. The river, which here flows rapidly in several channels, and turns numerous mills, divides the town into two parts, called respectively Jarin and Csenervia, which are united by a high bridge of five arches. Petsh contains a bazaar with 960 shops, numerous mosques, and the residence of a pasha. Arms of a good quality are largely manufactured here; and a kind of apple of an excellent flavour is raised in the vicinity, and sent to Constantinople. Pop. said to exceed 12,000.