Commemoration of the Founding of Constantinople - Troparion & Kontakion
Troparion — Tone 4
The city of the Theotokos / dedicates its foundation as an offering to the Theotokos. / For it has been established to remain in Her, / and it lives and is strengthened through Her, / crying out to Her, / “Hail, the hope of all the ends of the earth.”