The phrase often refers to Rome, symbolizing its ancient history and cultural significance.

शाश्वत नगर (रोम)

English Usage: Rome is famously known as the eternal city due to its enduring history.

Hindi Usage: रोम को उसके शाश्वत इतिहास के कारण शाश्वत नगर के रूप में जाना जाता है।