Filial (; ) is a rural locality (a settlement) in Biryulinskoye Rural Settlement of Mayminsky District, the Altai Republic, Russia. The population was 27 as of 2016. Geography Filial is located in the valley of the Mayma River, 25 km south of Mayma (the district's administrative centre) by road. Kyzyl-Ozek and Biryulya are the nearest rural localities. References Rural localities in Mayminsky District