1) Dacian town 
== Ancient sources == === Ptolemy`s Geographia === Ziridava is mentioned in Ptolemy`s Geographia (c. 140) in the form Ziridaua (Ζιρίδαυα) as an important town in western Dacia, at latitude 48° N and longitude 46° 30` E{sfn|Ptolemy|140 AD|loc=III 8,4}{sfn|Olteanu|loc=Ptolemy`s Dacia} (note that he used a different meridian and some of...[genus] Ziridava is a genus of moth in the Geometridae family. ...