Borislav Abadzhiev  Borislav Simeonov Abadzhiev (; born October 14, 1963, in Vidin) is a retired boxer from Bulgaria, who competed for his native country at the 1988 Summer Olympics in Seoul, South Korea. There he was defeated in the first round of the Men's Light-Welterweight Division (– 63,5 kg) by Yugoslavia's Vukašin Dobrašinović. He is best known for winning the European title in 1987.