a town of Russia, capital of a duchy of the same name, with an archbishop's see, and a strong castle. It is a large place, and divided into four parts, each of which is surrounded with walls. It is seated on the river Muldow, where it falls into the lake Plecow, 80 miles south of Narva, and 150 south by west of Petersburg. E. Long. 27° 52'. N. Lat. 57° 58'.

a duchy in Russia, between the duchies of Novgorod, Lithuania, Livonia, and Ingria.