# Greek B Basket League

The Greek B Basket League, or Greek B Basketball League (Greek: Ελληνική Β Μπασκετ Λιγκ), is a national basketball league in Greece. It is the 3rd-tier level of the basketball league system in Greece, and was founded in its current form in 1986. It is also known as National League 1. It is organized by the Hellenic Basketball Federation (E.O.K.).
Originally, the league began in 1961, as the Greek National B Class Championship, and it was the 2nd-tier level of Greek basketball until 1986, when it was replaced in that capacity by the Greek A2 Basket League.
The Greek B Basket League was originally held under a league format of two groups. From 1986 to 2012, the league was held under a one group league format. From 2013 to 2010, it was again held under a two group format. Under the current league format, a total of 45 clubs take part, which are separated into four groups that are based on geographical criteria.

## Champions
### Greek National B Class Championship (2nd-tier level)

| Season | Champion |
| 1961–62 | Pagrati |
| 1962–63 | Not held |
| 1963–64 | PAOK |
| 1964–65 | HAN Nikaias |
| 1965–66 | Amyntas |
| 1966–67 | PAOK |
| 1967–68 | Near East |
| 1968–69 | HAN Thessaloniki |
| 1969–70 | Aetos |
| 1970–71 | Maroussi |
| 1971–72 | Niki Volos |
| 1972–73 | Not held |

### First Two groups period (2nd-tier level)

| Season | 1st Group | 2nd Group |
| 1973–74 | Panionios | Dimokritos Thessaloniki |
| 1974–75 | Ionikos Nikaias | Iraklis |
| 1975–76 | Apollon Patras | Dimokritos Thessaloniki |
| 1976–77 | Maroussi | HAN Thessaloniki |
| 1977–78 | Esperos | Iraklis |
| 1978–79 | Apollon Patras | VAO |
| 1979–80 | Esperos | Gymnastikos S. Larissas |
| 1980–81 | Panionios | VAO |
| 1981–82 | Esperos | Pierikos |
| 1982–83 | Peristeri | VAO |
| 1983–84 | Sporting | Niki Volos |

### Four Groups period (2nd-tier level)

| Season | 1st Group | 2nd Group | 3rd Group | 4th Group |
| 1984–85 | Ilysiakos | Near East | MENT | Thyella Serron |
| 1985–86 | Ilysiakos | Milon | Philippos Thessaloniki | PAO Dioikitiriou |

### One group period (3rd-tier level)

| Season | Winner |
| 1986–87 | Esperos |
| 1987–88 | Proteas Athens |
| 1988–89 | Papagou |
| 1989–90 | Nestor Thessaloniki |
| 1990–91 | MENT |
| 1991–92 | Irakleio |
| 1992–93 | Ampelokipoi |
| 1993–94 | Ionikos NF |
| 1994–95 | Near East |
| 1995–96 | Olympia Larissa |
| 1996–97 | Makedonikos |
| 1997–98 | Arion Athens |
| 1998–99 | KAOD |
| Season | Winner |
| 1999–00 | Aias Evosmou |
| 2000–01 | Chalkida |
| 2001–02 | Ilysiakos |
| 2002–03 | Xanthi |
| 2003–04 | Aigaleo |
| 2004–05 | Rethymno |
| 2005–06 | Palaio Faliro |
| 2006–07 | Peristeri |
| 2007–08 | Near East |
| 2008–09 | Amyntas Athens |
| 2009–10 | Lavrio |
| 2010–11 | OFI Crete |
| 2011–12 | Aiolos Trikalon |

### Two groups period (3rd-tier level)

| Season | 1st Group | 2nd Group |
| 2012–13 | Psychiko | Filippos Verias |
| 2013–14 | Aetos | Doxa Lefkadas |
| 2014–15 | Kymis | Promitheas Patras |
| 2015–16 | Panionios | Aiolos Astakou |
| 2016–17 | Peristeri | Kastorias |
| 2017–18 | Ionikos Nikaias | Kavala |
| 2018–19 | Oiakas Nafplio | Anatolia Thessaloniki |
| 2019–20 | Panerythraikos | PAS Giannina BC |