| Käerjeng | |
| Native Name Lang: | lb |
| Settlement Type: | Commune |
| Mapsize: | 200px |
| Subdivision Type: | Country |
| Subdivision Name: |  Luxembourg |
| Subdivision Type1: | Canton |
| Subdivision Name1: | Capellen |
| Leader Title: | Mayor |
| Unit Pref: | Metric |
| Area Rank: | of 100 |
| Elevation Max Rank: | of 100 |
| Elevation Min Rank: | of 100 |
| Population Rank: | of 100 |
| Population Density Km2: | auto |
| Population Density Rank: | of 100 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Blank Name Sec1: | LAU 2 |
| Blank Info Sec1: | LU0000104 |
Käerjeng (in Luxembourgish; Letzeburgesch pronounced as /ˈkɛːɐ̯ʒeŋ/) is a commune in southwestern Luxembourg, in the canton of Capellen. It lies on the border with Belgium. It has an area of 33.67 km2.
The commune of Käerjeng was formed on 1 January 2012 from the former communes of Bascharage and Clemency. The law creating Käerjeng was passed on 24 May 2011.[1]
With a population of approximately 11,000, Käerjeng is the 10th most-populous commune in Luxembourg.
Käerjeng is located on the dividing line of the waters of the Rhine basin (Eisch) and the watershed of the Meuse (Chiers). It is bordered by the communes of Pétange, Differdange, Sanem, Dippach, Garnich and Steinfort, as well as the Belgian border to the north-west.
Elevation: Between 247m (810feet) at Tapp near Linger and 362m (1,188feet) at Kues near Fingig.
Total area: 20.15abbr=onNaNabbr=on
Käerjeng has an oceanic climate (Köppen Cfb). The annual average temperature is 9.9C, the hottest month in July is 18.7C, and the coldest month is 1.8C in January. The annual precipitation is 944.2mm, of which December is the wettest with 121mm, while April is the driest with only 53.8mm. The extreme temperature throughout the year ranged from on December 24, 2001 to on July 25, 2019.
The commune consists of the following villages:
| Town | Town (in Luxembourgish) | Town (in German) | Numbers | Former Commune | |
|---|---|---|---|---|---|
| Nidderkäerjeng | Niederkerschen | Bascharage | |||
| Kënzeg | Küntzig | Clemency | |||
| Féngeg | Féingig | Clemency | |||
| Uewerkäerjeng | Oberkerschen | Bascharage | |||
| Lénger | Bascharage | ||||
| 15 October 2020[3] | |||||