- Population density 2021 (inhabitants per km²), Lorraine: 2019 - Territorial entities: arrondissements (Lorraine, Wallonie), cantons (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, INSEE, Statbel, STATEC. Harmonization: IBA / OIE 2022 - Geodata sources: GeoBasis-DE / BKG 2017, IGN France 2017, NGI-Belgium 2017, ACT Luxembourg 2017. Harmonization: SIG-GR / GIS-GR 2022

National park Hunsrück-Hochwald in 2022: Nature zone 1a (wilderness areas) - Data source: Naturschutzverwaltung Rheinland-Pfalz. Adaptation: SIG-GR / GIS-GR 2022

Presence of the Soprano pipistrelle (Pipistrellus pygmaeus) - Illustration as grid cells 10x10km - Data sources: MNHN Luxemburg, MNHN France, Ministerium für Umwelt und Verbraucherschutz Saarland, Landesamt für Umwelt (LfU) Rheinland-Pfalz, SPW/ARNE/DEMNA, Natagora and collaborators

- Population density 2023 (inhabitants per km²), Lorraine: 2021 - Territorial entities: arrondissements (Lorraine, Wallonie), cantons (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, INSEE, Statbel, STATEC. Harmonization: IBA / OIE 2024 - Geodata sources: GeoBasis-DE / BKG, IGN France, NGI-Belgium, ACT Luxembourg. Harmonization: SIG-GR / GIS-GR 2024

Ramsar sites in 2022 - Data sources: Ramsar Convention Secretariat, Naturschutzverwaltung Rheinland-Pfalz, Muséum national d'Histoire naturelle (FR). Harmonization: SIG-GR / GIS-GR 2022

Biosphere reserves in 2022: buffer zones - Data sources: Ministère de l’Environnement, du Climat et du Développement durable (LU), Ministère de l’Énergie et de l’Aménagement du territoire (LU), Biosphärenzweckverband, LVGL, Ministerium für Umwelt und Verbraucherschutz Saarland, Parc naturel régional des Vosges du Nord, Naturschutzverwaltung Rheinland-Pfalz. Harmonization: SIG-GR / GIS-GR 2022

- Share of total utilised agricultural area (UAA) occupied by organic farming (2016-2017) - Territorial entities: arrondissements (Wallonie), départements (Lorraine), cantons (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Division des Statistiques Agricoles, des Marchés Agricoles et des Relations Extérieures (LUX) 2017; Natagriwal 2017 ; Ministerium für Umwelt und Verbraucherschutz Saarland 2017; ADD Rheinland-Pfalz 2016; Agence BIO / OC Agreste 2016. Harmonization: IGEAT 2018 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2018

- LEADER Regions 2023-2027 - Data: LVermGeo Rheinland-Pfalz, Ministère de l'Agriculture, de l’Alimentation et de la Viticulture Luxembourg, Ministerium für Umwelt, Klima, Mobilität, Agrar und Verbraucherschutz Saarland, Région Grand Est, Réseau wallon PAC. Harmonization: GIS-GR 2024

- Calendar 2024 of the Greater Region: wine and viticulture - Data: Working party Land registry and mapping of the Summit of the Greater Region: Harmonization: GIS-GR 2023

- Population density 2019 (inhabitants per km²), Lorraine: 2017 - Territorial entities: arrondissements (Wallonie), zones d'emploi (Lorraine), cantons (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, Eurostat, INSEE, Statbel, STATEC. Harmonization: IBA / OIE 2020 - Geodata sources: GeoBasis-DE / BKG 2017, IGN France 2017, NGI-Belgium 2017, ACT Luxembourg 2017. Harmonization: SIG-GR / GIS-GR 2020