Balca is a neighborhood in Baklan District, in Denizli Province, Türkiye. Balca lies in the Beşparmak mountains. It has 433 inhabitants. The nearest city is Çivril, 37 km to the northeast. Among the landmarks around are Hierapolis (42 km), Laodicea on the Lycus (44 km) and Anaua (21 km).