Welcome to Saints Constantine & Helen Greek Orthodox Cathedral

Here at our church you will find about 350 families who are some of the warmest and friendliest people around, all united by our mission: To lead people to God through Orthodox Christianity and to provide ways for them to live and share in God’s love.







We offer many opportunities for adults and children to worship, pray, learn, get involved, have fun, dance, and provide services and minister to those in need! Please look around our site, and if you would like more information, please feel free to call and talk to our Church office or our Priest at (216) 932-3300. Glory be to God for all things!

News and Updates

Be part of our Festival Ad Book

If you would like to advertise your business or place a personal message in this year’s Festival Ad Book,  click here for the form. Please submit all ads no later than August 4th. For more information or questions, contact George Athanasiou at gathanasiou@stsconstantine.com or Roseanne Klonaris at roseanneklonaris@gmail.com.

Youth Night Paraklesis

Please join us on Friday, August 8, 2014 from 7:00-9:30pm as we host the youth from our sister communities in the greater Cleveland area and our own youth who will lead us in the singing of the Paraklesis Service. Following the service please join us in the lower fellowship hall for refreshments and a presentation of our Metropolis of Pittsburgh Camping Ministry. For more information please contact George Athanasiou, Youth Director at gathanasiou@stsconstantine.com or click here to view the flier.

Glass and the Arts in the Byzantine Empire

Dr. Anastasios Antonaras from the Museum of Byzantine Culture in Thessaloniki, Greece will be year’s lecturer for the annual Dr. John and Helen Collis Lecture at the Cleveland Museum of Art.

Save the date for this very popular event. The lecture, “Glass and The Arts in the Byzantine Empire”, will be Sunday September, 28, at 2:00 pm in the Gartner Auditorium. Free tickets are required, and can be reserved starting August 1st on line at clevelandart.org or by calling the museum’s ticket center at 216-421-7350 or 1-888-CMA-0033.