PLOCK, the chief town of the above government, on the right bank of the Vistula, 50 miles N.W. of Warsaw. It is well built on a hill in a fertile region; and contains an ancient cathedral with many interesting monuments, other Roman Catholic churches, and a Reformed church, several convents, an episcopal palace, schools of various kinds, an orphan hospital, lunatic asylum, and a theatre. A trade in corn, hides, &c., is actively carried on with Dantzic and other places. Pop. (1854) 12,728.