| Name of the Society | Serbian Headache Society |
| Date of Foundation | November 10th 2011 |
| Website | http://nugs.rs/ |
| Journal | |
| President of the Society | Aleksandra Radojičić |
| Affiliation | Neurology Clinic, Clinical Center of Serbia, Faculty of Medicine, University of Belgrade |
| aleksandraradojicic@gmail.com | |
| Representative of the Society | Srdjan Sretenovic |
| Affiliation | MediHelp, Belgrade |
| srdjan.sretenovic@hotmail.com | |
| Update 2024 |
currently inactive
| Name of the Society | Slovene Headache Society |
| Date of Foundation | |
| Website | http://www.szd.si |
| Journal | |
| President of the Society | Prof. Marjan Zaletel, MD, PhD, senior consultant |
| Affiliation | Dunajska cesta 162, 1000 Ljubljana, Slovenia |
| mzaletel34@gmail.com | |
| Representative of the Society | Prof. Marjan Zaletel, MD, PhD, senior consultant |
| Affiliation | University Clinical Centre of Ljubljana Zaloška cesta 2, Ljubljana 1000, Slovenia |
| mzaletel34@gmail.com | |
| Update 2022 |
currently inactive
| Name of the Society | Spanish Headache Study Group |
| Date of Foundation | |
| Website | http://cefaleas.sen.es/index.php/en/ |
| Journal | |
| President of the Society (=coordinator) | Dr. Pablo Irimia |
| Affiliation | Departamento de Neurología de la Clínica Universidad de Navarra |
| pirimia@unav.es | |
| Representative of the Society | Dr. Pablo Irimia |
| Affiliation | Departamento de Neurología de la Clínica Universidad de Navarra |
| pirimia@unav.es | |
| Update 2022 |
| Name of the Society | Swedish Headache Society |
| Date of Foundation | 1968 |
| Website | http://www.huvudvarkssallskapet.se/ |
| Journal | |
| President of the Society | Lars Edvinsson |
| Affiliation | Dept of Medicine, Lund University, Sweden |
| Lars.edvinsson@med.lu.se | |
| Representative of the Society | Lars Edvinsson |
| Affiliation | |
| Update 2022 |
| Name of the Society | Swiss Headache Society |
| Date of Foundation | 1995 (informally 1983) |
| Website | http://www.headache.ch/ |
| Journal | |
| President of the Society | Prof. Dr. med. Andreas Kleinschmidt |
| Affiliation | Hôpitaux universitaires de Genève, Service de Neurologie |
| andreas.kleinschmidt@hcuge.ch | |
| Representative of the Society | Prof. Dr. med. Gabriele Merki |
| Affiliation | Universitätsspital Zürich Klinik für Reproduktions-Endokrinologie, Departement Frauenheilkunde |
| Gabriele.Merki@usz.ch | |
| Update 2022 |