Yırca is a neighborhood in Soma District, in Manisa Province, Türkiye. Yırca lies at 227 m above sea level, in the Anatolian plateau mountains. It has 250 inhabitants. The nearest city is Soma, 6.0 km to the west. Among the landmarks around are Pergamon (43 km), Stratonicea (12.6 km) and Thyatira (36 km).