Saint Demetrios is one of the most popular Saints in Orthodoxy. His holy memory is honored throughout the world.
Apolytikion
The world has found in you a great champion in times of peril, O Trophy-bearer, as you rout the nations. Just as you brought down the pride of Lyaios and emboldened Nestor in the stadium, so too, O holy Great Martyr Demetrios, intercede with Christ our God to grant us His great mercy.