From the Wikipedia page 
Velsky District (Russian: Ве́льский райо́н) is an administrative district (raion), one of the twenty-one in Arkhangelsk Oblast, Russia. As a municipal division, it is incorporated as Velsky Municipal District. It is located in the south of the oblast and borders with Shenkursky District in the north, Ustyansky District in the east, Verkhovazhsky District of Vologda Oblast in the south, Konoshsky District in the west, and with Nyandomsky District in the northwest. The area of the district is 10,060 square kilometers (3,880 sq mi). Its administrative center is the town of Velsk.