The Croatian Republic of Herzeg-Bosnia (Croatian: Hrvatska Republika Herceg-Bosna) was an unrecognized entity in Bosnia and Herzegovina that existed between 1991 and 1994 as a result of secessionist politics during the Bosnian War. The capital city of 'Herceg-Bosna' was Western Mostar. 'Herceg-Bosna' ceased to exist in 1994 when it was joined to the Federation of Bosnia and Herzegovina upon the signing the Washington Agreement by the Serbian, Croatian and Federal Bosnian authorities. One of the cantons of Federation still partially uses the name Herceg-Bosna Canton. However, this name has been deemed uncostitutional by the Federation Constitutonal Court (partly because Canton 10 does not cover any part of Herzegovina). It is neutrally referred to as Kanton 10 (Canton 10).
