A map, an infographic often tells us more, much more clearly than a long expose.
Italian wine magazine Civilta del Bere maps Italy's DOC's and DOCG's for us mere mortals.
Civilta del Bere's publisher, Alessandro Torcoli, elaborates on the map in How many DOC's are there in Italy? (Italian Wine Chronicle #8, July 30, 2014)
(* Map courtesy of 'Civilta del Bere', all rights reserved)