Italian Basketball League (Serie B Interregionale) History
League status
The Serie B Interregionale is the fourth-tier basketball league in Italy. B Interregionale was established in 1955.
The B Interregionale sits above the Serie C which effectively forms the fifth-tier of Italian basketball.
League name history
1966-1968: Serie D
1986-2008: Serie B2
2008-2011: Serie B Dilettanti
2011-2014: Divisione Nazionale B
2014-2015: Divisione Nazionale C
League logos
 Until 2014 |  2014- |
Title holders
Championships by club
| Titles | Club | Years |
|---|---|---|
| 1 |  Fidenza | 2023-24 |
| 1 |  Sangiorgese | 2025-26 |
| 1 |  Isernia | 2022-23 |
| 1 |  Quarrata | 2024-25 |
Final Four participants
| Club | 1st | 2nd | 3rd | 4th |
|---|---|---|---|---|
| Quarrata | 1 | 0 | 0 | 0 |
| Sangiorgese | 1 | 0 | 0 | 0 |
 Pavia | 0 | 0 | 1 | 0 |
 Angri | 0 | 0 | 1 | 0 |
 Gazzada | 0 | 0 | 0 | 1 |
 Matera | 0 | 0 | 0 | 1 |
Players with the most appearances in the Italian Finals
| Player | Finals Appearances | Years |
|---|
Players with the most Italian titles
| Player | Count | Years Won |
|---|---|---|
| Domenico Russo | 2 | 2023, 2023 |
| Danilo Raicevic | 2 | 2023, 2023 |
| Hlib Batalskyi | 2 | 2023, 2023 |
| Nicolo Doglio | 2 | 2023, 2023 |
