The remaining three vying for the 50,000 euro top prize are:
Rem Koolhaas' Dutch embassy in Berlin; and
Souto de Moura's Braga Municipal Stadium in Portugal.
The winner will be announced at a special ceremony next Thursday (14 April) in Barcelona's Mies van der Rohe Pavilion.
The jury, which is chaired by Zaha Hadid, includes Aaron Betsky, Stefano Boeri, Eduard Bru, Roberto Collovà, Mohsen Mostafavi, Suha Özkan, Francis Rambert and Kazuyo Sejima, and Lluís Hortet as secretary.
Zaha Hadid was winner of the 2003 award, with her Terminus Hoenheim-Nord, Strasbourg, France.