BABADAG, a Rumanian town in the department of Tulcea, on the main metalled road from Constanza to Tulcea. In 193o it had a population of 4,607, which has probably increased since then. It is a centre for distribution of agricultural produce of the northern Dobrudja. It lies upon a railway line now under con struction for connecting Tulcea with Mejidia, thus linking up the main Constanza-Bucharest line with Bessarabia at Ismail and en suring traffic across the Danube. The town is Turkish in origin, having been founded by Bayezid I. in the fourteenth century. It served as Turkish headquarters during nineteenth century cam paigns against Russia.