underfire:
Here is a site with some older plates for Corfu HvACC Airport Briefing
Quick look seems like its all about the same basic approach track, just different holds and missed tracks everywhere.
The convention is supposed to be the Z approach has the lowest minimums.
At this airport it is apparent the Greeks have "fine tuned" their traffic management requirements with a slew of VOR approaches that go to the same final approach course with the same minimums.