L'Escola Tècnica Superior d'Arquitectura de Barcelona (ETSAB) is the biggest and oldest architecture school in Catalonia. It offers education at all levels of university teaching, both undergraduate and master's degrees, and plays a prominent role in research in the Spanish and Ibero-American university environment thanks to the work of its faculty, which gathers through research groups of the Polytechnic University of Catalonia BarcelonaTech (UPC). The school also leads the teaching of landscape architecture in Spain and maintains constant collaboration with the most prestigious schools in Europe.