Franciscan Estate Winery, Premium wines from the Napa Valley Commerce Cloud Storefront Reference Architecture Located in the heart of the renowned Oakville appellation, Franciscan Estate is one of Napa Valley's most venerable wineries. Franciscan Estate wines strive to marry rich, vibrant flavors and supple tannins using the time-honored tradition of small-lot winemaking to craft fine wines that fully express the classic varieties.