Doclea or Dioclea, also known as Docleia or Diocleia (Greek: Διοκλεία, Montenegrin: Duklja) was an ancient Illyrian, Roman and Byzantine city, in the region of the Docleatae tribe (late Roman province of Praevalitana), now an archeological site near Podgorica in modern Montenegro.It was an episcopal see since the late Roman period, and during the Early Middle Ages.