Dere is a neighborhood in Milas District, in Muğla Province, Türkiye. Dere lies at 186 m above sea level, in the Marçal Dağları mountains. It has 260 inhabitants. The nearest city is Milas, 28 km to the northwest. Among the landmarks around are Stratonicea (26 km), Tomb of Hecatomnus (28 km) and Ceramus (6.8 km).

Also written Dereköy.