| Colceag | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Ilfov, Ialomița, Călărași |
| Tributaries | |
| - left | Valea Bisericii |
| Villages | Movilița Bițina-Pământeni, Chiroiu-Ungureni Drăgoești Măriuța |
| Source | |
| - location | Petrăchioaia, Ilfov County, Romania |
| - elevation | 80 m (262 ft) |
| - coordinates | |
| Mouth | Mostiștea |
| - location | Măriuța, Călărași County, Romania |
| - elevation | 42 m (138 ft) |
| - coordinates | |
| Length | 33 km (21 mi) |
| Basin | 211 km² (81 sq mi) |
| Official River Code | XIV.1.35.2 |
The Colceag is a left tributary of the river Mostiștea in Romania. It flows into the Mostiștea in Măriuța. Its length is 33 km (21 mi) and its basin size is 211 km2 (81 sq mi).