Croatian Republic of Herzeg-Bosnia

The Croatian Republic of Herzeg-Bosnia (Croatian: Hrvatska Republika Herceg-Bosna) was an unrecognized geopolitical entity and quasi-state in Bosnia and Herzegovina. It was proclaimed on 18 November 1991 under the name Croatian Community of Herzeg-Bosnia (Croatian: Hrvatska Zajednica Herceg-Bosna) as a "political, cultural, economic and territorial whole" in the territory of Bosnia and Herzegovina, and abolished on 14 August 1996.

Source: Wikipedia — Croatian Republic of Herzeg-Bosnia (CC BY-SA 4.0)