A settlement at this location on
the left bank of the Danube, in Wallachia, was mentioned with the name Drinago in a Spanish Libro de conoscimiento ("Book of
knowledge", circa 1350) and in several Catalan portolan charts (Angelino
de Dalorto, 1325/1330 and Angelino Dulcert, 1339). This may have been an
erroneous transcription of Brillago.
In Greek documents of roughly that time, the city is referred to as