Taşköprü is a town in Çiftlikköy District, in Yalova Province, Türkiye. Taşköprü lies at 20 m above sea level, 6.0 km from the Samanli mountains. It has 4,271 inhabitants (2022). The nearest city is Çiftlikköy, 5.9 km to the west. Among the landmarks around are Helenopolis (10.4 km), Nicaea (39 km) and Osman Gazi Bridge (13.6 km).