Bouza do Rei produces Albariño from Rías Baixas, the Atlantic-facing subregion of Galicia known for mineral, bracing white wines shaped by maritime influence and granitic soils. The winery's portfolio centers on this single variety, expressed across three tiers: the Gran Selección, the core Albariño Rías Baixas, and Castel de Bouza. Each reflects the region's signature profile—high acidity, salinity, and stone fruit character—with the Gran Selección representing the house's most concentrated expression. Wine Advocate, Wine Enthusiast, and Wine Spectator have all assessed the range, with the Gran Selección earning particular recognition among prestige critics.