The main EuroPython 2015 conference (talks, keynotes, trainings) will be held at the Euskalduna Conference Center (ECC, Abandoibarra Etorbidea 4, Bilbao).
The EuroPython 2015 sprints and dojos will take place at the Bizkaia Aretoa (BA), the auditorium of the University of the Basque Country (Avenida Abandoibarra, 3 48009 Bilbao).
The Auditorium of the University of the Basque Country is a landmark building, designed by the architect Alvaro Siza and opened in 2011. It has more than 9,000 square meters of floor space spread over six floors, of which 2,300 m² are the main auditorium of the building on the ground floor, with space for 450 people. The interior furnishings of the building were also designed by Siza.
If you are going to take more than one or two journeys on public transit, a CreditTrans card would be a good investment. It can save you up to 50% over buying single tickets. It is valid on all the municipal transit systems in Bilbao, and most (soon to be all) of the provincial transit systems in Bizkaia. It's a pay per ride card available at all Metro and Tram stations in denominations of €5, €10, and €15. It's also available at many newspaper stands. Individual tickets cost from €1.20 upward.
MetroBilbao, Norman Foster designed Metro. Single line within Bilbao, splitting into two lines after San Inazio station. Line one runs from Etxebarri to Plentzia; line two from Etxebarri to Santurtzi. Trains run every couple of minutes at peak hours. Tickets cost from €1.40-1.60, depending on how many zones your journey covers, or a daily card is available for €4.