| 27 Maj | MapYourGrid (online) | Berlin, Germany |
| 27 Maj | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 Maj | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 28 Maj | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 28 Maj | Tarde con OpenStreetMap: charla, taller y paseo | Madrid, Community of Madrid, Spain |
| 29 Maj | OSMF Engineering Working Group meeting |
| 29–31 Maj | Mapping Party Széplakon | Siófok, Hungary |
| 30 Maj | Incontro sul free software | Catania, Sicily, Italy |
| 30 Maj | Braunschweiger OSM-Treffen Mappingtour: Zusammen Bad Harzburg mappen | Bad Harzburg (Innenstadt), Lower Saxony, Germany |
| 31 Maj | Mapping Party @ Coimbatore | Coimbatore, Tamil Nadu, India |
| 2 Qershor | Cartopartie Bayonne | Bayonne, Nouvelle-Aquitaine, France |
| 2 Qershor | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 2 Qershor | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 2 Qershor | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 2 Qershor | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 3 Qershor | Kvartální pivko Praha | Prague, Czechia |
| 3 Qershor | Kvartální OSM pivo | Brno, South Moravian Region, Czechia |
| 3 Qershor | OSM Indoor Meetup |
| 3 Qershor | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 4 Qershor | State of the Map Baltics 2026 | Riga, Latvia |
| 4 Qershor | Angers : Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 5 Qershor | OSM Syria Solidarity Mapathon #6 | Damascus, Damascus Governorate, Syria |
| 5 Qershor | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Plugins QGIS para OSM | Rio de Janeiro, Rio de Janeiro, Brazil |
| 6 Qershor | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 Qershor | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 8 Qershor | OpenStreetMap x Wikidata Taipei #89 | Chengnei, Taipei, Taiwan |
| 9 Qershor | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 9 Qershor | Hamburger Mappertreffen | Hamburg, Germany |
| 9 Qershor | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 10 Qershor | iD Community Chat |
| 11–13 Qershor | State of the Map US 2026 | Madison, Wisconsin, United States |
| 11 Qershor | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 Qershor | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 14 Qershor | Come map Koyambedu Market, Chennai with us on June 14th, 2026! | Chennai, Tamil Nadu, India |
| 14 Qershor | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 14 Qershor | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 16 Qershor | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 16 Qershor | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 16 Qershor | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 16 Qershor | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 16 Qershor | 201. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 16 Qershor | 1er Apéro du groupe local de Strasbourg | Strasbourg, Grand Est, France |
| 16 Qershor | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 17 Qershor | 21. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 18 Qershor | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 19 Qershor | UN 2.0 side event: UN Mappers Mappy Hour |
| 19 Qershor | ReMapping Syria 2025: Humanitarian Mapping & Community Collaboration Webinar | Damascus, Damascus Governorate, Syria |
| 19 Qershor | UN Mappers Mappy Hour: Progress and Highlights of the UN Maps Community Ambassador Pilot Initiative |
| 19 Qershor | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Formulários Web com KoboToolbox | Rio de Janeiro, Rio de Janeiro, Brazil |
| 19 Qershor | Missing Maps Mapathon in Stuttgart | Stuttgart, Baden-Württemberg, Germany |
| 20 Qershor | Atelier du groupe local de Metz - Partez en voyage avec OpenStreetMap | Metz, Grand Est, France |
| 20 Qershor | OSM Mumbai Mapping Party No.11 (Trans-Harbour Line - South) | Maharashtra, India |
| 21 Qershor | Sommermapping 2026 | Fulda, Hesse, Germany |
| 22 Qershor | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 22 Qershor | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 23 Qershor | 2. OSM Stammtisch Magdeburg | Magdeburg, Saxony-Anhalt, Germany |
| 23 Qershor | OSM-Verkehrswende #76 | Berlin, Germany |
| 25 Qershor | OSM-Treffen Freiburg im Breisgau | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 26–28 Qershor | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 26 Qershor | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 Qershor | Mapathon @ Casorate Sempione | Casorate Sempione, Lombardy, Italy |
| 29 Qershor | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 30 Qershor | East Midlands pub meet-up | Derby, England, United Kingdom |
| 3–4 Korrik | State of the Map Colombia (SotMCol) 2026 | Bogota, Bogota, Capital District, Colombia |
| 3 Korrik | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Mapas Web com uMap | Rio de Janeiro, Rio de Janeiro, Brazil |
| 7 Korrik | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 7 Korrik | OSM-Znacht in Bern | Bern, Bern, Switzerland |
| 7 Korrik | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 9–11 Korrik | FOSS4G IT & OSMit 2026 | Sardagna, Trento, Trentino – Alto Adige/Südtirol, Italy |
| 13 Korrik | OpenStreetMap x Wikidata Taipei #90 | Chengnei, Taipei, Taiwan |
| 14 Korrik | Hamburger Mappertreffen | Hamburg, Germany |
| 14 Korrik | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 Korrik | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 21 Korrik | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 21 Korrik | East Midlands pub meet-up | Derby, England, United Kingdom |
| 21 Korrik | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 Korrik | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 21 Korrik | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 29 Korrik | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 4 Gusht | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 4 Gusht | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 10 Gusht | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 11 Gusht | Hamburger Mappertreffen | Hamburg, Germany |
| 11 Gusht | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 16 Gusht | Kartenwerkstatt Oschatz | Oschatz, Saxony, Germany |
| 18 Gusht | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 18 Gusht | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 Gusht | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 18 Gusht | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 Gusht | East Midlands pub meet-up | Derby, England, United Kingdom |
| 26 Gusht | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26 Gusht | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 27 Gusht | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28–30 Gusht | State of the Map 2026 | Champs-sur-Marne, Ile-de-France, France |
| 28 Gusht | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 31 Gusht | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 1 Shtator | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 Shtator | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 Shtator | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 8 Shtator | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 Shtator | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 Shtator | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 Shtator | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 Shtator | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 15 Shtator | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 22 Shtator | East Midlands pub meet-up | Derby, England, United Kingdom |
| 25 Shtator | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26–27 Shtator | Karlsruhe Hack Weekend September 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 2–4 Tetor | FOSSGIS-OSM-Communitytreffen Nr. 26 im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 Tetor | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 5 Tetor | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6 Tetor | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 Tetor | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 13 Tetor | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 20 Tetor | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 Tetor | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 Tetor | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 Tetor | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 Tetor | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 Tetor | State of the Map LATAM 2026 in Mexico City | Mexico City, Mexico City, Mexico |
| 27 Tetor | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 Tetor | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 Nëntor | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 Nëntor | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 9 Nëntor | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 Nëntor | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 17 Nëntor | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 Nëntor | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 Nëntor | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 Nëntor | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 Nëntor | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1 Dhjetor | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 Dhjetor | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 Dhjetor | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 Dhjetor | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 Dhjetor | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 13 Dhjetor | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 15 Dhjetor | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 Dhjetor | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 Dhjetor | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 Dhjetor | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 Dhjetor | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 Janar | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 Mars | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 31 Maj | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 Korrik | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27 Shtator | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 Nëntor | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
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