Although Black Widows was filmed predominantly in Finland, the series is set in Scandinavia, using Sweden, Norway & Denmark as locations.
Black Widows is a remake of the Finnish 2014 TV series Mustat lesket (2014), also known as 'Desperate Widows'.
Black Widows is produced by Moskito Television, a Finnish company, and while the production team is mainly Finnish, the cast and directors are Scandinavian.