Treva is the historical name of a settlement during the short-lived creation of the Roman province of Germania, at the site of the modern city of Hamburg in Germany.

His campaign followed the one with the creation by Drusus of small fortifications (one could have been "Treva", but there it is no archaeological discovery about) along the rivers Weser and Elbe, done some years before.

[3] Furthermore, the future emperor Tiberius campaigned extensively while in Germany, even conducting some amphibious operations along the Elbe River in 5 AD and probably landing also in the surroundings of Treva.

The Hammaburg, conveniently situated on the river Alster, Elbe and Bille, was from the beginning a trading place...the original Hamburgers were traders....The wooden burgeon sheltered by a moat and palisades lay on a land that was surrounded north, west, and south of the meandering Alster...In the 1980s, a "double circuit" was found, the remains of an early medieval fortification.

Until now it had been assumed that it dates back to the 6th century or earlier (some even spoke of stone age).Die Welt[7]Recent archaeological discoveries in the center of Hamburg have proved the existence of a trade settlement during Roman times.