Diekirch (Luxembourgish: Dikrech; from Diet-Kirch, i.e. "people's church") is a commune with city status in north-eastern Luxembourg, capital city of the canton Diekirch and the district of Diekirch. The city is situated on the banks of the Sauer river. The name comes from DIDOEKIRCH (Dido's Temple). This is a Dido of the Germanic pantheon of Gods, not the Greek or Roman. Originally, there was a Germanic/Celtic temple here. The area is full of Germanic/Celtic remains and place names.
The city's heraldic shield, showing a crowned lion on a castle, was granted in1988. It is based on the city's 14th century seal and arms.