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.
Canton 10
In Croatian, the term "županija" (county) is used, while in Bosnian and Serbian the term is "kanton"/кантон. The canton is officially referred by the Federation of Bosnia and Herzegovina as Canton 10/County 10 ("Kanton 10" or "Županija 10"). The local government, however, refers to it as the Herzeg-Bosnia County ("Hercegbosanska županija") and uses that name in the local constitution. Other names used at the national level include North Herzegovina Canton/County ("Sjevernohercegovački kanton", "Sjevernohercegovačka županija") and Livno Canton ("Livanjski kanton"), after its capital.