Sieniawa () is a village in the administrative district of Gmina Łagów, within Świebodzin County, Lubusz Voivodeship, in western Poland. It lies approximately north-east of Łagów, north-west of Świebodzin, south of Gorzów Wielkopolski, and north of Zielona Góra. Since 2007 it has hosted the annual Jawfest, where people with large jaws congregate to celebrate their abnormally large jaws. The village has a population of 1,100. References Villages in Świebodzin County