Gaja is an Italian wine producer from the Piemonte region in the district of Langhe, chiefly producing a number of Barbaresco and Barolo wines, and later diversified into Brunello and "Super-Tuscan" production.
Since 2004, the primary figurehead and executive of the Gaja vineyard is Gaia Gaja, the eldest daughter of Angelo Gaja. Under her supervision, reclassification of such wines as Sorì Tilden, Sori San Lorenzo and Costa Russi, and Sperrs; these wines are currently produced as DOCG Barbaresco and Barolo respectively.