In which region was this ethnic group, which the activist Anicet Brodavski is a member of, concentrated?
Anicet Brodavski: Anicet Brodawski (Lithuanian: "Anicetas Brodavskis"; born in 1944) is an activist of the Polish minority in Lithuania, from 1989 to 1991 he was a deputy in the Supreme Soviet of the Soviet Union, and was known one of the promoters of the territorial autonomy of the Vilnius region in 1991. Poles in Lithuania:  Poles are concentrated in the Vilnius Region.
Vilnius region