The interbank rate used in the Eurozone. Established daily, it is the average of the transactions realised by a panel of the 57 most representative banks in the Eurozone. There are fifteen EURIBOR rates for terms ranging from one week to twelve months.
EURIBOR : http://www.euribor-rates.eu/what-is-euribor.asp
Full list of panel banks : http://www.euribor-rates.eu/panelbanks.asp