or Sardĭca. Now Sofia; an important town in Upper Moesia,
and the capital of Dacia Interior, derived its name from the Thracian people Serdi. It bore in
the Middle Ages the name of Triaditza (Eutrop. ix. 14, 22; Amm. Marc. xxx. 16).
Harry Thurston Peck. Harpers Dictionary of Classical Antiquities. New York. Harper and Brothers. 1898.
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