| Direzione Investigativa Antimafia | |
|---|---|
| Active | Since 1991 |
| Country | Italy |
| Allegiance | Polizia di Stato Arma dei Carabinieri Guardia di Finanza Polizia Penitenziaria |
| Type | Interforce investigation office |
| Role | Contrast of mafia |
| Part of | Department of Public Security (Italian Ministry of the Interior) |
| Headquarters | Rome and other 20 peripheral offices |
| Motto(s) | Vis Unita Fortior (Strength United is Stronger) |
| Website | http://direzioneinvestigativaantimafia.interno.gov.it |
| Commanders | |
| Director | Maurizio Vallone |
The Direzione Investigativa Antimafia (DIA), also known as the Anti-Mafia Investigation Division, is an Italian multi-force investigation body under the Department of Public Security of the Ministry of the Interior. Its main task is the fight against the mafia-related organized crime in Italy.