A branch of the Valdai Mountains enters the uyezd from the west, forming a marshy hill, from which the county river originates (Osuga, Big Kosh and others).
Tsna and Bolshaya Kosha belong to the upper reaches of the uyezd and flow among the forests.
In 1929, the county was abolished, its territory became part of the Tver District of the Moscow Region.
Populated places, except for the city, are 1006 (of which 6 have more than 1000 inhabitants: Mednoye, Vydropuzhsk, Struzhnya, Selishche-Khvoshnya, Obodovo, Sukromlya).
[2] Orthodox dominated, although among the peasants of the uyezd there are many schismatics of various interpretations, as well as Pashkovites, Suyutayevites and other sectarians.
The main occupation of the population is agriculture, crafts are developed (including art – gold embroidery, lace), in the number of mills and the volume of grinded wheat, Novotorzhsky Uyezd occupied the first place in the Tver Governorate.