| Type: | commune |
| County: | Hunedoara |
| Lunca Cernii de Jos | |
| Leader Name: | Livițuc Lupulescu |
| Leader Party: | PNL |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 45.6333°N 59°W |
| Elevation: | 850 |
| Elevation Min: | 565 |
| Elevation Max: | 1000 |
| Area Total: | 152.05 |
| Population Total: | auto |
| Postal Code: | 337300 |
| Area Code: | (+40) 02 54 |
Lunca Cernii de Jos (Hungarian: Alsónyiresfalva, German: Birkendorf) is a commune in Hunedoara County, Transylvania, Romania. It is composed of eight villages: Ciumița (Csumicapuszta), Fântâna (Vádtelep), Gura Bordului, Lunca Cernii de Jos, Lunca Cernii de Sus (Felsőnyiresfalva), Meria (Kékesfalva), Negoiu (Nyegojlunka), and Valea Babii.
The commune is located in the southwestern part of the county. The nearest city is Hunedoara, distant; the county seta, Deva, is to the northeast. Lunca Cernii de Jos is situated among the foothills of the Poiana Ruscă Mountains. The average altitude is, and the terrain is hilly. The commune borders two other counties, Caraș-Severin and Timiș.
| Name | Population (2011) | Coordinates | |
|---|---|---|---|
| Ciumița | 0[1] | 45.6636°N 22.5789°W | |
| Fântâna | 25[2] | 45.6694°N 22.5914°W | |
| Gura Bordului | 58[3] | 45.6367°N 22.5322°W | |
| Lunca Cernii de Jos | 157[4] | 45.6331°N 22.6167°W | |
| Lunca Cernii de Sus | 229[5] | 45.6392°N 22.5842°W | |
| Meria | 246[6] | 45.6606°N 22.6336°W | |
| Negoiu | 171[7] | 45.6108°N 22.5633°W | |
| Valea Babii | 19[8] | 45.6242°N 22.5736°W |
The name of the commune derives from lunca ("valley") of the Cerna River. Lunca Cernii de Jos and Lunca Cernii de Sus lie for along the river valley; the local peasantry works in animal husbandry and logging. Meria is located on a mountainside at over altitude, separated from other villages by high peaks, deep valleys and dense forest. Negoiu is situated in the Negoiului and Sterminosului valleys.[9]