For entry into Spain, a visa may be required, depending on your country of origin. Please consult your consulate for more details, while general information can be found here: https://www.spainvisa.eu/
If requested, invitation letters will be issued, after your conference registration has been processed, sending an E.mail to iwcn2023@uab.es
At the end of 2022, the European Union (EU) will introduce the ETIAS Visa Waiver. It will become a requirement for many nationalities who want to enter Spain or any of the other countries in the Schengen Area. General information can be found here: https://www.spainvisa.eu/visa-types/tourist-visa/etias-visa/
Due to the covid pandemic, there may be further entry requirements regarding health and vaccination status. More information can be found here: https://www.spth.gob.es/