Latium adiectum or
Latium Novum is an ancient Roman geographical term used at least as early as the 1st century AD, when mention of it occurs in
Pliny in conjunction with Latium antiquum, the original territory of the
Latini tribe. Says Pliny of the latter:
"Its inhabitants have often changed: at various times it has been occupied by various peoples - the Aborigines, the Pelasgi, the Arcades, the Siculi, the Aurunci, the Rutuli ...."
Then he speaks of a later extension to the river
Garigliano, to include the
Volsci,
Osci and
Ausones. The "last town" in the Adiectum Latium, or "Extension of Latium", was
Sinuessa.