Vlachs in Bosnia and Herzegovina are a Balkan population who descend from Romanized Illyrians (Illyro-Romans), Thracians (Thraco-Romans) and other pre-Slavic Romance-speaking peoples and the South Slavs. They practiced transhumance as herdsmen, shepherds, farmers, and in time developed peculiar socio-political organizational units known as katuns. They traded livestock products. Vlach cheese was reputable because of its fat content and fetched high prices. With their caravans, Vlach carried out much of the traffic between inland and coastal cities such as Dubrovnik. Marko Vego argued that Vlach autochthony with Vlach settlements named after Vlach tribes, Vojnići and Hardomilje, are found near Roman forts and monuments. Bogumil Hrabak supported Vego's assertion that the Vlachs preceded both
