Serbia participated in the Eurovision Song Contest 2012 in Baku, Azerbaijan. The Serbian entry was selected through an internal selection, organised by the Serbian broadcaster RTS. Željko Joksimović represented Serbia with the song "Nije Ljubav Stvar" (Није Љубав Ствар), which qualified from the second semi-final and went on to place 3rd in the final, scoring 214 points.

On 18 November 2011, RTS confirmed Serbia's participation in the Eurovision Song Contest 2012 with the announcement of the internal selection of Željko Joksimović as the Serbian entrant. Joksimović previously represented Serbia and Montenegro at the Eurovision Song Contest 2004, as well as composing the Bosnian entry, "Lejla", in 2006 and composing the Serbian entry, "Oro", in 2008. Joksimović was also a co-presenter for the Eurovision Song Contest 2008.

On 10 March 2012, RTS aired a special presentation program where Željko Joksimović performed songs from his repertoire as well as presenting the Serbian entry "Nije Ljubav Stvar" and the English version of the song "Synonym".

Serbia competed in the first half of the second semi-final (1st on stage), on 24 May 2012, opening the show and preceding Macedonia. Željko Joksimović received 159 points and placed 2nd, thus qualifying for the final on 26 May.

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