These are archaeological sites protected according to article 19 of the law of the 25 February 2022 on cultural heritage. https://legilux.public.lu/eli/etat/leg/loi/2022/02/25/a80/jo

In accordance with the regulations of the <a href="http://data.legilux.public.lu/eli/etat/leg/loi/2022/02/25/a80/jo"> law of 25 February 2022 on cultural heritage</a>, the Institut national de recherches archéologiques - INRA has developed a map of the archaeological observation zone (ZOA) based, on the one hand, on the inventory of archaeological heritage and, on the other hand, on additional information and data from state or municipal authorities responsible for the use, study or protection of the soil or subsoil or entrusted with excavation and construction work. The delimitation of the ZOA is defined by the grand-ducal regulation of the 26th of July 2023. As an overlaying zone, it is an integral part of any plans or projects that have spatial, communal or urban planning as their subject matter. <a href="https://cnra.lu/fr/zoa">More information on INRA's web site</a>

These are archaeological sites protected as national monuments in accordance with the law of 18 July 1983. https://data.legilux.public.lu/filestore/eli/etat/leg/loi/1983/07/18/n1/jo/fr/html/eli-etat-leg-loi-1983-07-18-n1-jo-fr-html.html

These are archaeological sites protected as national monuments in accordance with the law of 18 July 1983. https://legilux.public.lu/eli/etat/leg/loi/1983/07/18/n1/jo

A terrain that has been destroyed to the point, that no elements of cultural heritage features can be preserverd. It is not part of the ZOA.

Archaeological sites that has been completely destroyed as a result of archaeological excavation. They are not part of the ZOA.

The ZOA is a territorial zone which contains or is likely to contain elements of the archaeological heritage.

The sub-zone is a territorial area for which there exist yet no data allowing to exclude any archaeological potential.