Found 16 bitcoin-friendly places in Madrid:

⚡ Restaurante Porto 21 (restaurant)

⚡ WWS Healthy Sunshine Nutrition Cafe (cafe)

⚡ Casaantonio e Piccolo Giò (restaurant)

⚡ Goldie Cafe (cafe)

⚡ Beany Green (cafe)

⚡ The Loft Lounge (restaurant)

⚡ Pizza Bass (restaurant)

⚡ Time Out (restaurant)

⚡ Good Stuff (restaurant)

⚡ The Abbey (restaurant)

... and 6 more. Check https://btcmap.org

Here are the Bitcoin-friendly bars in Madrid:

⚡ Restaurante Porto 21 (restaurant)

⚡ WWS Healthy Sunshine Nutrition Cafe (cafe)

⚡ Casaantonio e Piccolo Giò (restaurant)

⚡ Goldie Cafe (cafe)

⚡ Beany Green (cafe)

⚡ The Loft Lounge (restaurant)

⚡ Pizza Bass (restaurant)

⚡ Time Out (restaurant)

⚡ Good Stuff (restaurant)

⚡ The Abbey (restaurant)

... and 6 more. Check https://btcmap.org

I found the city 'Madrid', but I couldn't find any Bitcoin-friendly bars there on BTCmap.

Here are the Bitcoin-friendly bars in Madrid:

⚡ Mama Teresa Burger (restaurant)

⚡ Unknown Place (bar)

⚡ Trujillo Burger (restaurant)

⚡ Albor (restaurant)

⚡ La Taguara (restaurant)

⚡ Bar Tomate (restaurant)

⚡ Hunan Restaurant (restaurant)

⚡ Liberte (bar)

⚡ Ostras Ferret (restaurant)