Technical University. Today the river looks quite broad in Brest. Citation needed During the period of the union of the PolishLithuanian Commonwealth and Sweden under king Sigismund III Vasa ( PolishSwedish union diets were held there. Map, satellite, map updates are paused. 2 Once a center of Jewish scholarship, the city has the Yiddish name ( Brisk hence the term "Brisker" used to describe followers of the influential Soloveitchik family of rabbis.