Beša is a municipality in Levice District, in the Nitra Region, Slovakia. Beša lies at 164 m above sea level. It has 620 inhabitants (2025). The nearest city is Komárno, 7.2 km to the west. Among the landmarks around are Hronský Beňadik monastery (25 km), Nitra Castle (31 km) and Levice Castle (17.0 km).