Croatia - Level 3
Photo: PHOTO: Old town of Dubrovnik in summer, Dalmatia, Croatia. (photo via bluejayphoto/iStock Editorial/Getty Images Plus) (bluejayphoto / iStock Editorial / Getty Images Plus)
The U.S. government is advising Americans to reconsider plans to visit Croatia this summer due to COVID-19 as of July 26. Currently, U.S. visitors are required to provide proof of a negative viral test result (PCR within 72 hours or rapid antigen test within 48 hours), a certificate of vaccination with the final dose being received at least 14 days prior to crossing the border or proof of recovery from COVID-19.