Şen is a neighborhood in Akkışla District, in Kayseri Province, Türkiye. Şen lies 0.2 km from the Hınzır Dağı mountains. It has 275 inhabitants. The nearest city is Şarkışla, 44 km to the northeast. Among the landmarks around are Kültepe (49 km) and Sarıoğlan Dam (6.6 km).