Gambero Rosso is the leading authority on Italian Wines.
Every year they publish a directory of the wineries that they review. They reviewed 2,634 wineries for their "Italian Wines 2022" It's a positive review, only mentioning wines that receive a positive rating. They use a glasses system, the highest rating is Tre Bicchieri, 3 glasses. Gambero Rosso releases their annual Italian Wines review in early April every year the time of VinItaly in Verona. The Great Italian wine trade show.