Bergroth

Bergroth is a Swedish-language surname, more common in Finland than in Sweden.
Geographical distribution.
As of 2014, 54.2% of all known bearers of the surname "Bergroth" were residents of Finland (frequency 1:24,322), 36.0% of Sweden (1:65,645), 3.1% of Argentina (1:3,287,963), 2.9% of Australia (1:1,981,156), 1.7% of the United States (1:51,607,325) and 1.2% of Norway (1:1,028,470).
In Finland, the frequency of the surname was higher than national average (1:24,322) in the following regions:
In Sweden, the frequency of the surname was higher than national average (1:65,645) in the following regions: