Where does “Βαρκελώνη” come from?

Βαρκελώνη (Greek) comes from Spanish Barcelona, from Catalan Barcelona, from Iberian Barkeno.

Ancestry of “Βαρκελώνη”, step by step

Step	Language	Word	Meaning
1	Spanish	Barcelona	—
2	Catalan	Barcelona	—
3	Iberian	Barkeno	—