The presence of the Catholic Church is important on the islands of Syros, Tinos, Rhodos, Corfu, Naxos, Santorini, Crete, Kos, Samos, Chios, Kefalonia, Zakynthos. Also in Athens, Thessaloniki, Patras, Kavala, Volos and other cities of the mainland of Greece.

The largest Catholic Church in Athens is the Cathedral of Saint Dionysius. Situated in the center of the city, on Panepistimiou Street & Omirou Street. Also, there are other impressive Catholic Churches in Athens, such as the Parish of Christ the King in Pangrati, the Sacred Heart of Christ the Savior, and Saint Theresa in Kypseli.

The Catholic tourists to Nafplio and the Aspra Spitia Viotia, receive excellent service while they are visiting respectively Mycenae and Epidaurus and Delphi. Lastly, the relics of Saint Valentine housed in Mytilene's Catholic Church, are a magnet for lovers from around the world who decide to unite their lives there.

What is required for the Orthodox wedding also applies to the Catholic as well, with the addition of the anointing certificate and the permission from the Bishop of the parish. All documents must be completed and presented at least 2 months before the ceremony. For mixed religion weddings, the Catholic spouse should have the birth certificate, baptism, and declaration of celibacy or marriage license from the parish translated into Greek along with a sworn statement indicating that the descendants of this marriage will be baptized Orthodox. Mixed marriages between Catholics and Protestants is valid only when it is performed by a Catholic Priest unless the local Bishop gives his permission for performance by another public official outside of the Catholic Church.


The following Documents are required for the Catholic Wedding:

• Certificate of celibacy by the parish of residence of the intending spouses. For the issuance of this certificate the presence of two adult witnesses (with their ID cards) is needed.
• Publication of the wedding announcement in a daily newspaper with full details of the pair (2 newspapers, 1 for each). The time of the publication of the announcement time will be 15 days before the wedding date. This will be prompted by the parish to proceed with the procedures of issuing the marriage licenses. The cost is € 25,00.

Some Catholic Churches in Athens:

• Cathedral of Saint Dionysius
  Panepistimiou & Omirou Street, 10672 Athens
   
• Parish of Christ the King
  Timotheou 51, 11633 Athens (Pagrati)
   
• Sacred Heart of Christ the Savior
  Smyrnis 27, 10439 Nea Smyrni
   
• Saint Theresa in Kypseli
  Eptenissou 32, 11361 Athens