Bosnia (region)
Bosnia (/Босна; ) is the northern region of Bosnia and Herzegovina, encompassing roughly 81% of the country; the other eponymous region, the southern part, is Herzegovina. "Bosnia" is an informal term for the whole country.
Bosanska Krajina
Bosanska Krajina is the hub of the railway services in Bosnia and Herzegovina, comprising more than one-half of the railway network of Bosnia and Herzegovina. Services operate to the northern and western Bosnian towns Banja Luka, Prijedor, Bosanski Novi and Bihać. The rail network also operates to Zagreb (twice daily), and Belgrade.