Some greek oil is sometimes on the complete lists on that site that includes 30 brands in different international competitions. For example at 2021/2022 Terra Creta Grand Cru and Terra Creta Bio for the organic category made in the list.

If we count all international competitions (not just the "strict" ones as the presented in the combined rankings used by OP) and all awards, not just top ones, greek oils are probably 3rd most awarded in the world after spanish and italian.