Vasil Troyanov Boyanov (Bulgarian: Васил Троянов Янъков; born 7 March 1978), professionally known as Azis (Азис), is a Bulgarian recording artist. Azis initially rose to prominence in Eastern Europe performing songs mostly in chalga, a genre which can be described as the Bulgarian rendition of pop-folk. Other than that, his repertoire includes duets with Serbian singers, including Indira Radić, Marta Savić and Jelena Karleuša. Azis performed "Let Me Cry" at the 2006 Eurovision song contest with Mariana Popova, staying in the semi-finals.