▁The ▁town ' s ▁pre - war ▁population ▁was ▁for ci b ly ▁exp elled ▁to ▁Germany , ▁and ▁the ▁vic inity ▁was ▁res ett led ▁with ▁Polish ▁citizens ▁new ▁to ▁the ▁region . ▁Since ▁the ▁town ▁had ▁not ▁an ▁established ▁Polish ▁name , ▁the ▁new ▁name ▁of ▁G ry f ów ▁Ś lą ski ▁was ▁adopted . ▁Some ▁of ▁the ▁new ▁inhabitants ▁were ▁Polish ▁refuge es ▁from ▁regions ▁located ▁east ▁of ▁the ▁pre - war ▁eastern ▁territ ories ▁of ▁Poland , ▁from ▁where ▁they ▁had ▁been ▁disp la ced ▁by ▁Soviet ▁authorities ▁in ▁accord ance ▁to ▁new ▁borders ▁decided ▁at ▁Y al ta ▁Conference , ▁while ▁most ▁new ▁sett lers ▁were ▁re - sett lers ▁from ▁central ▁Poland . ▁ ▁S ights ▁ ▁The ▁historic ▁s ights ▁of ▁G ry f ów ▁Ś lą ski ▁include : ▁the ▁St . ▁J ad w iga ▁Church , ▁d ating ▁back ▁to ▁the ▁ 1 5 th ▁century ▁the ▁town ▁hall , ▁built ▁in ▁the ▁Renaissance ▁style ▁in ▁the ▁ 1 6 th ▁century , ▁later ▁re built ▁the ▁Market ▁Square ▁( R y nek ) ▁filled ▁with ▁historic ▁town h ouses , ▁d ating ▁back ▁to ▁the ▁ 1 5 th - 1 9 th ▁centuries , ▁medieval ▁town ▁walls ▁the ▁Saint ▁Lawrence ▁church , ▁d ating ▁back ▁to ▁the ▁ 1 6 th ▁century ▁ ▁Notable ▁people ▁ ▁Hermann ▁Ste ud ner ▁( 1 8 3 2 – 1 8 6 3 ), ▁Africa ▁expl orer ▁ ▁Curt ▁Jo ël ▁( 1