Explore details about location Calle Biurdana. Calle Biurdana is a location situated within the Trinitarios alongside other areas such as Calle Biurdana, Avenida de Guipúzcoa, Puente de las Oblatas. Additionally, some smaller parts of Calle Biurdana include specific areas like Avenida de Guipúzcoa adding to the diversity of its landscape.