el caballero rojo...
Not sure if it's a base, but Star Air operate on behalf of UPS from CGN. Currently serving the CGN-OPO-CGN, CGN-DUB-SNN-CGN and CGN-MUC-CGN routes with a 767 each.
After today there'll be one 767 based at EMA for EMA-CGN-EMA, alongside the usual EDI-EMA-CDG onwards 767 and ATH-BGY-CDG on the return leg.