Poslu is a village in Eşme District, in Uşak Province, Türkiye. Poslu lies at 763 m above sea level, 3.4 km from the Uysal Dağı mountains. The nearest city is Kula, 39 km to the northwest. Among the landmarks around are Hierapolis (45 km), Laodicea on the Lycus (51 km) and Buldan Dam (18.0 km). Among the natural features are Güney Waterfall (21 km).