Laçin is a village in Devrekani District, in Kastamonu Province, Türkiye. Laçin lies at 1,104 m above sea level, 3.9 km from the Küre mountains. It has 248 inhabitants. The nearest city is Kastamonu, 29 km to the southwest. Among the landmarks around are Mahmut Bey Mosque (24 km), Kulaksızlar Dam (2.6 km) and Beyler Dam (12.4 km).