Suraia is a commune located in Vrancea County, Romania. It is composed of a single village, Suraia. It included Biliești village until 2004, when this was split off to form a separate commune. The commune is located in the eastern part of the county, on the right bank of the Siret, a river that forms the border with Galați County. Suraia is crossed by county road DJ204D, which connects it to the south to Vulturu (where it ends in DN23) and to the northwest to Biliești, Vânători, and Focșani (where it ends in DN2). The Făurei–Tecuci railway also passes through the commune, which is served by the Suraia stop.