| 1–5 urria | Mapathon Pre-event SotM Kerala 2026 | Ettumanoor, Kerala, India |
| 2–4 urria | Hackathon Wikimedia & OSM | Messina, Sicily, Italy |
| 2–4 urria | FOSSGIS-OSM-Communitytreffen Nr. 26 im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 urria | OSM Mapping | Laillé, Brittany, France |
| 3 urria | GeoCamp 2026 | Langreo, Asturias, Spain |
| 3 urria | OSM India - Monthly Online Mapathon | New Delhi, Delhi, India |
| 3 urria | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 4 urria | Chennai GLUG Velachery OSM Mapping | Chennai, Tamil Nadu, India |
| 5 urria | TNEI Mapathon 2026 |
| 5 urria | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6–9 urria | Open Transport Community Conference 2026 | Bern, Bern, Switzerland |
| 6 urria | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 urria | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 6 urria | OSM Sheffield - Monthly Social | Sheffield, England, United Kingdom |
| 6 urria | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 6 urria | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 urria | iD Community Chat |
| 7–8 urria | Everywhere She Maps workshop 2026 | Akosua Village, Central Region, Ghana |
| 7 urria | PoliMappers Maptedì | Milan, Lombardy, Italy |
| 7 urria | Missing Maps mapathon Žilina #24 | Žilina, Region of Žilina, Slovakia |
| 7 urria | Carto party OpenStreetMap Café Crypté Liège | Liège, Liège, Belgium |
| 7 urria | Junta d'OpenStreetMap Català | Barcelona, Catalonia, Spain |
| 7 urria | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 7 urria | 🗺️ Rencontre mensuelle du groupe local bordelais sur jitsi |
| 8 urria | Missing Maps Mapathon (Beginner) - Bangkok, Thailand | Bangkok, Thailand |
| 8 urria | Brussels meetup - byebye Thierry & Joost | Brussels, Belgium |
| 8 urria | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 9 urria | 220. OSM-Stammtisch Berlin-Brandenburg | Berlin, Germany |
| 9 urria | OSM-Znacht in Bern | Bern, Bern, Switzerland |
| 10 urria | Modifichiamo Wiki e OSM insieme! - Catania | Catania, Sicily, Italy |
| 10 urria | OpenStreetMap, des cartes à la carte ! | Angers, Pays de la Loire, France |
| 11 urria | Salgótarján Mapping Party 2026-10-11 | Salgótarján, Great Plain and North, Hungary |
| 11 urria | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 11 urria | OpenStreetMap, des cartes à la carte ! | Angers, Pays de la Loire, France |
| 12 urria | Panoramax Nederland - Online Community Meeting #1 |
| 12 urria | CartONG : Mapathons en ligne 2026-2027 |
| 12 urria | 2026 Autumn Maptime | Amsterdam, North Holland, Netherlands |
| 13 urria | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 urria | Hamburger Mappertreffen | Hamburg, Germany |
| 13 urria | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 14 urria | 🏴 North Wales Mapathon Gogledd Cymru 🏴 | Bethesda, Wales, United Kingdom |
| 14 urria | Assemblea d'OpenStreetMap Català | Barcelona, Catalonia, Spain |
| 15 urria | FOSS4G Belgium | Brussels, Belgium |
| 16 urria | OSMF Engineering Working Group meeting |
| 17 urria | Encuentro OSM Argentina 2026 | Pergamino, Buenos Aires, Argentina |
| 17 urria | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 18 urria | OSM Delhi NCR Mapping Party No.33 (Noida) | Hazipur, Noida, Uttar Pradesh, India |
| 20 urria | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 urria | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 20 urria | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 urria | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 urria | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21 urria | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 21 urria | OSM US Mappy Hour: Mapping Accessible Trails |
| 24–25 urria | OSM Hackweekend Berlin-Brandenburg 10/2026 | Berlin, Germany |
| 25 urria | Mapping meetup in Uppsala | Uppsala, Sweden |
| 26 urria | CartONG : Mapathons en ligne 2026-2027 |
| 26 urria | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 urria | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 27–29 urria | State of the Map Latam 2026 | Mexico City, Mexico City, Mexico |
| 27 urria | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 27 urria | East Midlands pub meet-up | Derby, England, United Kingdom |
| 28 urria | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 29 urria | Pravidelný Missing Maps CZ-SK online Mapathon |
| 30 urria | 20. Mapathon & Mapping Party Rapperswil 2026 | Rapperswil, Rapperswil-Jona, St. Gallen, Switzerland |
| 31 urria | Linux Day 2026 in Pesaro | Pesaro, Marche, Italy |
| 2 azaroa | Stammtisch | Hanover, Lower Saxony, Germany |
| 3 azaroa | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 5 azaroa | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 6 azaroa | Angers Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 7 azaroa | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 7 azaroa | Mapathon @ Angera | Angera, Lombardy, Italy |
| 7 azaroa | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 azaroa | OSM Delhi Mapping Party No.34 (South Zone) | New Delhi, India |
| 9 azaroa | CartONG : Mapathons en ligne 2026-2027 |
| 9 azaroa | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 azaroa | Hamburger Mappertreffen | Hamburg, Germany |
| 10 azaroa | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 11 azaroa | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14–15 azaroa | State of the Map Kerala | Ettumanoor, Kerala, India |
| 17 azaroa | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 azaroa | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 azaroa | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 azaroa | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 azaroa | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 19 azaroa | GeoWeek Luxembourg Mapathon [FR/EN] - Hybrid |
| 21 azaroa | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 22 azaroa | 1. OSM Stammtisch Fulda | Fulda, Hesse, Germany |
| 23 azaroa | CartONG : Mapathons en ligne 2026-2027 |
| 24 azaroa | OSM-Verkehrswende #80 | Berlin, Germany |
| 25 azaroa | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 azaroa | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 26 azaroa | Pravidelný Missing Maps CZ-SK online Mapathon |
| 1 abendua | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 abendua | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 3 abendua | Angers : Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 3 abendua | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 5 abendua | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 abendua | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 abendua | Hamburger Mappertreffen | Hamburg, Germany |
| 8 abendua | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 abendua | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 10 abendua | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 abendua | OSM Delhi Mapping Party No.35 (Outside Delhi) | New Delhi, India |
| 13 abendua | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 14 abendua | CartONG : Mapathons en ligne 2026-2027 |
| 15 abendua | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 abendua | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 15 abendua | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 abendua | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 abendua | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 abendua | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 11 urtarrila | CartONG : Mapathons en ligne 2026-2027 |
| 25 urtarrila | CartONG : Mapathons en ligne 2026-2027 |
| 25 urtarrila | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 urtarrila | OSM-Verkehrswende #81 | Berlin, Germany |
| 8 otsaila | CartONG : Mapathons en ligne 2026-2027 |
| 22 otsaila | CartONG : Mapathons en ligne 2026-2027 |
| 8 martxoa | CartONG : Mapathons en ligne 2026-2027 |
| 22 martxoa | CartONG : Mapathons en ligne 2026-2027 |
| 29 martxoa | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 12 apirila | CartONG : Mapathons en ligne 2026-2027 |
| 26 apirila | CartONG : Mapathons en ligne 2026-2027 |
| 10 maiatza | CartONG : Mapathons en ligne 2026-2027 |
| 24 maiatza | CartONG : Mapathons en ligne 2026-2027 |
| 31 maiatza | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 14 ekaina | CartONG : Mapathons en ligne 2026-2027 |
| 28 ekaina | CartONG : Mapathons en ligne 2026-2027 |
| 26 uztaila | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27 iraila | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 azaroa | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
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