The apartment is really in the city center, very convenient for visiting Bilbao. The area is very rumourous during the night. Mahmoud was easily reachable before the check-in and during the stay.
There several stairs from the metro station to the apartment. Take into consideration if you have heavy luggage and don't like to take the stairs.
The apartment is quite old and decaying, however the room and bathroom were clean.
To access the bathroom you have to cross the main entrance.
This accommodation is ok for a short stay.