Semetín is a village in Vsetín District, in the Zlín Region, Czechia. Semetín lies 3.3 km from the Hostýn-Vsetín mountains. It has 445 inhabitants. The nearest city is Vsetín, 6.4 km to the east. Among the landmarks around are Kroměříž Castle (41 km), Helfštýn Castle (30 km) and Lukov Castle (16.4 km). Among the natural features are Hranice Abyss (25 km) and Zbrašov Aragonite Caves (25 km).