| Arzago d'Adda | |
| Official Name: | Comune di Arzago d'Adda |
| Coordinates: | 45.4833°N 43°W |
| Region: | Lombardy |
| Province: | Bergamo (BG) |
| Mayor: | Gabriele Riva |
| Area Total Km2: | 9.31 |
| Population Total: | 2719 |
| Population As Of: | 28 February 2022[1] |
| Population Demonym: | Arzaghesi |
| Elevation M: | 106 |
| Postal Code: | 24040 |
| Area Code: | 0363 |
Arzago d'Adda (Bergamasque: Arsàc) is a comune (municipality) in the Province of Bergamo in the Italian region of Lombardy, located about 30km (20miles) east of Milan and about 25km (16miles) southwest of Bergamo.
Arzago d'Adda borders the following municipalities: Agnadello, Calvenzano, Casirate d'Adda, Rivolta d'Adda, Vailate. Sights include remains of a Roman villa from the imperial age, the castle of the marquises de Capitani d'Arzago (turned into a noble residence in the 16th-17th century), the manor Ravajola of the noble family de Sessa and the medieval pieve.