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| Sport | Basketball |
|---|---|
| Founded | 2004 (as DetEksi Basketball League), Surabaya, East Java |
| First season | 2004 |
| Commissioner | Azrul Ananda |
| No. of teams | 220 |
| Countries |  Indonesia |
| Headquarters | Surabaya, DBL Arena |
| Continent | FIBA Asia |
| Most recent champion(s) | - East Java Series:
- Jakarta Series:
- South Sulawesi Series:
- Aceh Series:
|
| Most titles | St. Louis 1 Senior High School |
| Official website | www |
Developmental Basketball League (DBL), previously named Deteksi Basketball League, is the largest basketball league competition for middle school and high school students in Indonesia. This league started in 2004 in Surabaya when it was still under the auspices of DetEksi, the youth department of the Jawa Pos newspaper, and was initiated by the then head of DetEksi, Azrul Ananda.
Since 2008, this basketball league has been managed professionally. Jawa Pos established a separate subsidiary to manage the basketball league, namely PT. Deteksi Basket Lintas Indonesia or better known as PT. DBL Indonesia.
Since 2018, DBL Indonesia has become an independent company that is no longer under the umbrella of Jawa Pos. Until now, Azrul Ananda is still listed as the founder and CEO of PT DBL Indonesia.