As some of the lands in the eastern Karelian Isthmus and Ladoga Karelia became partially depopulated Sweden decided to move settlers from Savonia to those Karelian lands which resulted in a mixture of local Karelians with Savonians in some areas. However, as Savonians themselves are of Karelian origin, this migration mostly affected local Karelians religiously (as the majority of the population became Lutheran) and to some extent linguistically, but it did not bring major changes to the ethnic map of Karelia.