Yazıhisar is a village in Devrekani District, in Kastamonu Province, Türkiye. Yazıhisar lies at 1,163 m above sea level, 2.0 km from the Küre mountains. It has 251 inhabitants. The nearest city is Kastamonu, 37 km to the southwest. Among the landmarks around are Mahmut Bey Mosque (30 km), Beyler Dam (10.4 km) and Kulaksızlar Dam (6.4 km).
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