From the Wikipedia page 
Velizhsky District (Russian: Ве́лижский райо́н) is an administrative and municipal district (raion), one of the twenty-five in Smolensk Oblast, Russia. It is located in the northwest of the oblast and borders with Vitebsk District, Vitebsk Region of Belarus in the west, Usvyatsky and Kunyinsky Districts of Pskov Oblast in the northwest, Zapadnodvinsky and Zharkovsky Districts of Tver Oblast in the northeast, Demidovsky District in the east, and with Rudnyansky District in the south. The area of the district is 1,473.19 square kilometers (568.80 sq mi). Its administrative center is the town of Velizh.