Ulmu is a commune in Călărași County, Muntenia, Romania. It is composed of four villages: Chirnogi, Făurei, Ulmu and Zimbru.
Ulmu | |
|---|---|
 Location in Călărași County | |
  Ulmu Location in Romania | |
| Coordinates: 44°16′N 26°55′E / 44.267°N 26.917°E | |
| Country | Romania |
| County | Călărași |
| Population (2021-12-01)[1] | 1,345 |
| Time zone | EET/EEST (UTC+2/+3) |
| Vehicle reg. | CL |