If you're looking for a more modern area with current Spanish and international brands, you'll want to browse the streets around the Estación del Norte station and Uría Street. There's plenty of children's fashion with shops like Gocco and Neck&Neck and young people's labels like Zara, Mango, Springfield. For those with a more generous budget there's Carolina Herrera, Bimba y Lola, Hugo Boss and many more famous brands.