Astobiza is a winery located in the Ayala Valley, in the town of Okondo, in the province of Álava, Spain. It specializes in producing high-quality txakoli, a traditional Basque white wine. The winery spans approximately 10 hectares of vineyards, cultivating indigenous grape varieties such as Hondarrabi Zuri and Hondarrabi Beltza.

Founded with the aim of preserving and promoting the local winemaking tradition, Astobiza combines traditional methods with modern technologies to create wines that reflect the unique terroir of the region. Their txakoli is renowned for its freshness, fruity aromas, and mild acidity, making it an ideal pairing with seafood and light dishes.

In addition to their standard txakoli, the winery produces special editions like Malkoa, which have earned accolades at both national and international levels. Astobiza is committed to sustainable agriculture and environmental conservation, a dedication evident in their vineyard practices and winemaking process.