We find the oldest mention in Venetian documents and it dates from 1542. An engraving of Bar from 1550. shows Nehaj under the inscription "Nechagia".
It is not known when exactly it was built, but it is probably according to archeological findings, countless remains from the Iron Age, Roman and Byzantine periods, as well as the epoch from the 13th to the 19th century can be found on the slope under the ramparts today.