Rising Stars are recognized for providing high-quality answers to other users. Rising Stars receive a certificate of achievement and are on the path to becoming Community Leaders.
while there is an overview of PSI Test Centres (the company in charge for conducting the exams) in Spain (you can find a list here: https://www.psionline.com/en-gb/openings/) due to current situation with the pandemic it might be much safer to do the exam online (proctored via web cam from your place).
Please find also all related information to the pandemic on the link above.
Please also double check with Atlassian Certification FAQ (https://training.atlassian.com/faq/certification) - in case you want to reach out to Certification support to double check on your current option you will also find the link in the FAQ.