Meşeli is a neighborhood in Serdivan District, in Sakarya Province, Türkiye. Meşeli lies in the Akçakoca Dağları mountains. It has 864 inhabitants (2022). The nearest city is Korucuk, 7.1 km to the northeast. Among the landmarks around are Sangarius Bridge (13.1 km), Nicomedia (28 km) and Astacus (28 km). Among the natural features are Mount Sapanca (5.1 km).