What is a Bocadillo de Calamares at El Brillante?
Deep-fried squid sandwiches are a Madrid speciality, and nowhere are they more revered than at El Brillante, a very ordinary-looking eatery opposite Atocha train station.
Where is El Brillante?
On Glorieta del Emperador Carlos V, the big traffic circle where you'll find the Atocha train station (and just around the corner from the Reina Sofia museum).
Useful Information About Bocadillo de Calamares
Drinks are ordered from one bar and food from another. Worth remembering so you don't embarrass yourself as you demand your food from the hapless drinks waiter!