| Coca | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Buzău County |
| Tributaries | |
| - left | Coca Plină |
| - right | Coca Seacă |
| Source | |
| - location | Confluence of headwaters Coca Plină and Coca Seacă |
| - elevation | 331 m (1,086 ft) |
| - coordinates | |
| Mouth | Slănic River |
| - location | Niculeşti |
| - elevation | 284 m (932 ft) |
| - coordinates | |
The Coca River is a tributary of the Slănic River in Romania. It starts at the confluence of headwaters Coca Plină and Coca Seacă