Krajina (pronounced[krâjina]) is a Slavictoponym, meaning 'country' or 'march'. The term is related to kraj or krai, originally meanings land, country or edge[1] and today denoting a region or province, usually remote from urban centers.
^Rick Derksen (2008), Etymological Dictionary of the Slavic Inherited Lexicon, Brill: Leiden-Boston, page 244