There is only one Catholic church on island of Zakynthos, where masses are celebrated. Masses (updated: 06.2018) are every Sunday at 10:00 and 19.00 and every Saturday at 19:00. The schedule sometimes cen change and updated, it can always be found at the bottom of this page: http://www.catheclpatra.gr/
The church is located in the Zakynthos City (capitol...