| Belgian National Division 1 | |
| Country | Belgium |
|---|---|
| Confederation | UEFA |
| Founded | 2016 |
| Number of teams | 18 |
| Promotion to | Challenger Pro League |
| Relegation to | Belgian Division 2 |
| Levels on pyramid | 3 |
| Domestic cup(s) | Belgian Cup |
| Current champions | Patro Eisden (2022–23) |
 2023–24
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The Belgian National Division 1, commonly referred to as simply Eerste Nationale (in Dutch) or Nationale 1 (in French) is the third-highest division in the Belgian football league system, one level below the Belgian First Division B. It was created by the Royal Belgian Football Association in 2016, coming in at the third level and pushing all divisions one level down. Until the 2019–20 season, it was known as the Belgian First Amateur Division, but was renamed due to the negative connotation of the word amateur.
| Belgian National Division 1 2023–24 |
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Cappellen · Dessel Sport · Heist · Hoogstraten · Jong KAA Gent · Knokke · OH Leuven U-23 · Lokeren-Temse · Olympic Charleroi · RAAL La Louvière · Sint-Eloois-Winkel · Thes Sport · Tienen · Union Namur · Virton · Visé · Young Reds Antwerp · Zébra Élites Charleroi |
| Belgian National Division 1 seasons |
| Football in Belgium | ||||||||||||||||||||||||||||||||
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 Belgium
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| Third level football leagues of Europe (UEFA) |
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