Herzegovina
Herzegovina ( or ; Serbo-Croatian: "Hercegovina", Херцеговина, ) is the southern region of Bosnia and Herzegovina. While there is no official border distinguishing it from the Bosnian geographical region, it is sometimes asserted that the borders of the region are Dalmatia to the southwest, Montenegro to the east, Mount Maglić to the northeast, and Mount Ivan to the north. Measurements of the area range from , or around 22% of the total area of the present-day country, to , around 24% of the country.
Medjugorje
During the Bosnian War, Medjugorje remained in the hands of the Croatian Defence Council and in 1993 became part of the Croatian Republic of Herzeg-Bosnia. By the Dayton Agreement in 1995, Medjugorje was incorporated into the Federation of Bosnia and Herzegovina, populated mostly by Bosniaks and Croats. It lies within the Herzegovina-Neretva Canton, one of ten autonomous regions established so that no ethnic group could dominate the Federation.