Çamsu is a village in Banaz District, in Uşak Province, Türkiye. Çamsu lies at 1,151 m above sea level, in the Mount Murat mountains. It has 330 inhabitants. The nearest city is Gediz, 24 km to the northwest. Among the landmarks around are Aizanoi (38 km), Acmonia (26 km) and Küçükler Dam (15.1 km).