Vrdnik (Serbian Cyrillic: Врдник, pronounced [vř̩dniːk]) is a village in northern Syrmia, in the Vojvodina province of Serbia. It is located at southern slopes of Fruška Gora, at the border of the national park. Administratively, it belongs to Irig municipality. According to the 1991 census, the village had 3,488 residents, while according to the 2002 census, number of inhabitants was 3,704. Most of the inhabitants of Vrdnik are ethnic Serbs.