Khankaysky District is an administrative and municipal district (raion), one of the twenty-two in Primorsky Krai, Russia. It is located in the west of the krai on the western bank of Lake Khanka and borders with Pogranichny District in the southwest, Khorolsky District in the southeast, and with Heilongjiang Province of China in the west. The area of the district is 2,689.0 square kilometers (1,038.2 sq mi). Its administrative center is the rural locality of Kamen-Rybolov. Population: 24,666 (2010 Census); 28,939 (2002 Census); 31,122 (1989 Soviet census). The population of Kamen-Rybolov accounts for 44.2% of the district's total population.