Hasići is a village in the municipalities of Ribnik, Republika Srpska and Ključ, Bosnia and Herzegovina .Official results from the book: Ethnic composition of Bosnia-Herzegovina population, by municipalities and settlements, 1991. census, Zavod za statistiku Bosne i Hercegovine - Bilten no.234, Sarajevo 1991.
Demographics According to the 2013 census, its population was 234, all Bosniaks living in Ključ and none in the Ribnik part.
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