# 2009–10 A-1 League

The 2009–10 A-1 League (Croatian: A-1 liga 2009./10.) was the 19th season of the A-1 League, the highest professional basketball league in Croatia. The first half of the season consisted of 10 teams and 90-game regular season (9 games for each of the 10 teams) began on Saturday, October 17, 2009 and ended on Sunday, March 14, 2010. The second half of the season consists of 4 teams from ABA League and the best 4 teams from first half of the season.

## Team information
### Venues and locations

| | Teams | Team | City | Venue (Capacity) |
| Regular season teams | 10 |
| Regular season teams | 10 | Borik Puntamika | Zadar | Jazine Basketball Hall (3,000) |
| Regular season teams | 10 | Dubrava | Zagreb | Športska dvorana Dubrava (1,800) |
| Regular season teams | 10 | Dubrovnik | Dubrovnik | Športska dvorana Gospino polje (2,500) |
| Regular season teams | 10 | Kaštel Galerija | Kaštel Stari | |
| Regular season teams | 10 | Split | Split | Arena Gripe (6,000) |
| Regular season teams | 10 | Svjetlost Brod | Slavonski Brod | Sportska dvorana Vijuš (2,200) |
| Regular season teams | 10 | Šibenik | Šibenik | Sportska dvorana Baldekin (900) |
| Regular season teams | 10 | Trogir | Trogir | Sportska dvorana Vinko Kandija (1,000) |
| Regular season teams | 10 | Vrijednosnice OS Darda | Darda | Sportska dvorana Darda (600) |
| Regular season teams | 10 | Zabok | Zabok | Športska dvorana Bedekovčina (2,500) |
| Teams already qualified for Champions League | 4 |
| Teams already qualified for Champions League | 4 | Cedevita | Zagreb | Sportska dvorana Sutinska vrela (2,000) |
| Teams already qualified for Champions League | 4 | Cibona | Zagreb | Dražen Petrović Basketball Hall (5,400) |
| Teams already qualified for Champions League | 4 | Zadar | Zadar | Krešimir Ćosić Hall (8,500) |
| Teams already qualified for Champions League | 4 | Zagreb | Zagreb | Športska dvorana Trnsko (2,500) |

## Regular season

* Clinched Champions round berth
| # | Team | Pts | Pld | W | L | PF | PA |
| 1 | Zabok | 30 | 18 | 12 | 6 | 1489 | 1392 |
| 2 | Svjetlost Brod | 30 | 18 | 12 | 6 | 1515 | 1460 |
| 3 | Trogir | 30 | 18 | 12 | 6 | 1524 | 1484 |
| 4 | Vrijednosnice OS Darda | 29 | 18 | 11 | 7 | 1444 | 1446 |
| 5 | Borik Puntamika | 28 | 18 | 10 | 8 | 1347 | 1301 |
| 6 | Split | 27 | 18 | 9 | 9 | 1420 | 1335 |
| 7 | Dubrava | 26 | 18 | 8 | 10 | 1389 | 1433 |
| 8 | Dubrovnik | 25 | 18 | 7 | 11 | 1466 | 1518 |
| 9 | Šibenik | 23 | 18 | 5 | 13 | 1443 | 1578 |
| 10 | Kaštel Galerija | 22 | 18 | 4 | 14 | 1318 | 1408 |

## Champions Round

* Clinched Playoffs berth
| # | Team | Pts | Pld | W | L | PF | PA | Diff |
| 1 | Cibona | 26 | 14 | 12 | 2 | 1276 | 1012 | +264 |
| 2 | Zadar | 26 | 14 | 12 | 2 | 1259 | 1067 | +192 |
| 3 | Cedevita | 25 | 14 | 11 | 3 | 1279 | 1074 | +205 |
| 4 | Zagreb CO | 23 | 14 | 9 | 5 | 1207 | 1132 | +75 |
| 5 | Zabok | 19 | 14 | 5 | 9 | 1124 | 1236 | -112 |
| 6 | Svjetlost Brod | 18 | 14 | 4 | 10 | 1170 | 1369 | -199 |
| 7 | Trogir | 16 | 14 | 2 | 12 | 1104 | 1302 | -198 |
| 8 | Vrijednosnice OS Darda | 15 | 14 | 1 | 13 | 984 | 1211 | -227 |

## Relegation and Promotion Rounds
### Relegation round

* Promotion Round
* Relegated
| # | Team | Pts | Pld | W | L | PF | PA | Diff |
| 1 | Borik Puntamika | 35 | 10 | 7 | 3 | 1547 | 1408 | +139 |
| 2 | Split CO | 32 | 10 | 6 | 4 | 1582 | 1465 | +117 |
| 3 | Dubrava | 31 | 10 | 6 | 4 | 1612 | 1603 | +9 |
| 4 | Dubrovnik | 30 | 10 | 5 | 5 | 1657 | 1703 | -46 |
| 5 | Šibenik | 27 | 10 | 3 | 7 | 1621 | 1736 | -115 |
| 6 | Kaštel Galerija | 26 | 10 | 3 | 7 | 1498 | 1602 | -104 |

### Promotion Round

Promotion League comprises five regional second division winners.
* Promoted
| # | Team | Pts | Pld | W | L | PF | PA | Diff |
| 1 | Kvarner 2010 | 19 | 10 | 9 | 1 | 887 | 708 | +179 |
| 2 | Alkar | 18 | 10 | 8 | 2 | 790 | 694 | +96 |
| 3 | Šibenik | 16 | 10 | 6 | 4 | 779 | 769 | +10 |
| 4 | Mladost | 14 | 10 | 4 | 6 | 733 | 794 | -61 |
| 5 | Međimurje | 12 | 10 | 2 | 8 | 763 | 824 | -61 |
| 5 | Belišće | 11 | 10 | 1 | 9 | 695 | 858 | -163 |

## Playoffs

Teams in italics had home advantage. Teams in bold won the playoff series. Numbers to the left of each team indicate the team's original playoff seeding. Numbers to the right indicate the score of each playoff game.
| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals | Finals | Finals | Finals |
| 1 | Cibona | 93 | 78 | – | | | | | | | |
| 4 | Zagreb CO | 75 | 65 | – | | | | | | | |
| 4 | Zagreb CO | 75 | 65 | – | 1 | Cibona | 76 | 72 | 87 | 78 | 95 |
| | | | | | 2 | Zadar | 80 | 77 | 81 | 71 | 73 |
| 2 | Zadar | 83 | 76 | 81 | 2 | Zadar | 80 | 77 | 81 | 71 | 73 |
| 3 | Cedevita | 63 | 83 | 79 | | | | | | | |