Jarok is a municipality in Nitra District, in the Nitra Region, Slovakia. Jarok lies at 151 m above sea level, 10.6 km from the Tribeč mountains. It has 2,148 inhabitants (2025). The nearest city is Nitra, 10.7 km to the east. Among the landmarks around are Nitra Castle (10.8 km), Dražovce church (11.6 km) and Nitra Synagogue (10.4 km). Among the natural features are Svoradova jaskyňa (12.9 km) and Trnovske rameno (13.1 km).