Kabaoğlu is a neighborhood in İzmit District, in Kocaeli Province, Türkiye. Kabaoğlu lies in the Akçakoca Dağları mountains. It has 12,668 inhabitants (2022). The nearest city is İzmit, 6.7 km to the south. Among the landmarks around are Nicomedia (6.9 km), Astacus (12.2 km) and Pertev Pasha Mosque (6.8 km).