Historical geography of Finland

thumb|The parts of Karelia, as divided today

urban-type settlement in Murmansk Oblast, Russia

municipal district in Murmansk Oblast

thumb|Reboly (Repola) and Porosozero (Porajärvi) in 1920. The border between Finland and Soviet Union after 1940 is also shown. Porosozero (; ; ) is a rural locality (a settlement) in Suoyarvsky District of the Republic of Karelia, located along the Suna River. Municipally, it is a part and the administrative center of Porosozerskoye Rural Settlement of Suoyarvsky Municipal District. Population: 3,529 (2002 Census); 4,406 (1989 Census).

Reboly (, , ) is a settlement in the Republic of Karelia of the Russian Federation by the Finnish border, located southeast of Kuhmo and northeast of Lieksa. In 1926 the settlement had a population of 1,465, in 2010 - 258 people.