Caput Mundi is a Latin phrase which literally means "Head of the world" whereas Roma Caput Mundi means "Rome capital of the world" and is one of the many nicknames given to the city of Rome throughout its history.[1]
The phrase is related to the enduring power of the city first as the capital of the Republic and the Empire, and later as the centre of the Catholic Church.[2]
Although it is not known for sure when it was first used, Rome was already named in this way by the poet Ovid in 1st century BC.[3]
Along with "Eternal City" and the "City of Seven Hills", Caput Mundi remains as one of the most commonly used names to refer to the city of Rome.[4]