Nagylak is a divided village in Csongrád county, in the Southern Great Plainregion of southern Hungary. The biggest part of the village is called Nădlac. The town's name in Hungarian language means "big place". The Romanian and Slovak names derive from that.In 1920 the Treaty of Trianon divided the village. The railway station and an industrial factory stood in Hungary, but most of the village were transferd to Romania. Until the dissolution of Csanád County in 1950 the village were part of it.