 In interwar Greece and Yugoslavia the term was used to refer to the bands organized by the pro-Bulgarian Internal Macedonian Revolutionary Organisation and Internal Thracian Revolutionary Organisation, which operated in Vardar and Aegean Macedonia and Western Thrace.In interwar Romania, the term was used to refer to the bands organized by the pro-Bulgarian Internal Dobrujan Revolutionary Organisation, which attacked the Romanian outposts and the Aromanian colonists in Southern Dobruja.During the Second World War this name was used to designate the members of the pro-Bulgarian Ohrana active in Northern Greece.