This information is part of the Open Calendar, a free service of UIA's subscription-based International Congress Calendar Online (ICCO). It includes only current and future international meetings organized by non-profit organizations working worldwide in all fields of activity. The number of meetings, information contained in their profiles, and search functionality of this free service are limited.

The full-featured International Congress Calendar Online (ICCO) includes over 497,000 meetings (past, current, future), additional information in profiles, sophisticated search functionality and data exports. For more information about ICCO, please click here or contact us.

The UIA is a leading provider of information about international non-profit organizations. The aim of the Open Calendar is to promote the activities of international non-governmental organizations (INGOs) and intergovernmental organizations (IGOs).

Future International Meetings & Congresses

Event Organization Location Start Date End Date

Annual Congress

European SocieTy for Radiotherapy and Oncology (ESTRO) Vienna, Austria 2023/05/12 2023/05/16

World Tunnel Congress

International Tunnelling and Underground Space Association (ITA) Athens, Greece 2023/05/12 2023/05/18

European Congress of Endocrinology (ECE)

European Society of Endocrinology (ESE) Istanbul, Türkiye 2023/05/13 2023/05/16

World Congress on Parkinson's Disease and Related Disorders

International Association of Parkinsonism and Related Disorders (IAPRD) Chicago IL, USA 2023/05/13 2023/05/16

Annual Conference

Association of Corporate Treasurers (ACT) Newport, UK 2023/05/16 2023/05/17

International Symposium on Electronic Art

ISEA International Paris, France 2023/05/16 2023/05/21

Triennial World Conference

Associated Country Women of the World (ACWW) Kuala Lumpur, Malaysia 2023/05/17 2023/05/23

Annual Meeting

International Society for Extracellular Vesicles (ISEV) Seattle WA, USA 2023/05/17 2023/05/21

Annual General Meeting

International Veteran Cycle Association (IVCA) Cremona, Italy 2023/05/17 2023/05/21

Asia Pacific Medical Education Conference

Asia Pacific Medical Education Conference (APMEC) Singapore, Singapore 2023/05/17 2023/05/21

From Child to Adult Disorder

World Federation of ADHD Amsterdam, Netherlands 2023/05/18 2023/05/21

Annual Delegates Meeting

Internationally United Commercial Agents and Brokers (IUCAB) Berlin, Germany 2023/05/18 2023/05/20

Asia Pacific Burn Conference

Asia Pacific Burn Association (APBA) Chongqing, China 2023/05/18 2023/05/21

International Spring Symposium

European Academy of Dermatology and Venereology (EADV) Seville, Spain 2023/05/18 2023/05/20

Annual Conference

International Association for Forensic Psychotherapy (IAFP) Turin, Italy 2023/05/18 2023/05/20

Annual International Conference

American Thoracic Society (ATS) Washington DC, USA 2023/05/19 2023/05/24


European Society of Pediatric Otorhinolaryngology (ESPO) Liverpool, UK 2023/05/20 2023/05/23

Annual Meeting

American Psychiatric Association San Francisco CA, USA 2023/05/20 2023/05/24

IAQVEC: International Conference on Indoor Air Quality, Ventilation and Energy Conservation

International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings (IAQVEC) Tokyo, Japan 2023/05/20 2023/05/23


European Atherosclerosis Society (EAS) Mannheim, Germany 2023/05/21 2023/05/24

EuroMedLab Congress

International Federation of Clinical Chemistry and Laboratory Medicine / European Federation of Clinical Chemistry and Laboratory Medicine / Rome, Italy 2023/05/21 2023/05/25

Annual Conference

International Institute of Municipal Clerks (IIMC) Minneapolis MN, USA 2023/05/21 2023/05/23

Nordic Conference on Child Abuse and Neglect

Nordic Association for Prevention of Child Abuse and Neglect (NASPCAN) Reykjavik, Iceland 2023/05/21 2023/05/24


International Society of Travel Medicine (ISTM) Basel, Switzerland 2023/05/21 2023/05/25

Biennial European Meeting

Society for Medical Decision Making (SMDM) Berlin, Germany 2023/05/21 2023/05/23

International Conference

Polymer Processing Society (PPS) St Gallen, Switzerland 2023/05/22 2023/05/26


Nordic Society for Oculoplastic and Reconstructive Surgery (NOSOPRS) Os, Norway 2023/05/22 2023/05/23


International Committee for Animal Recording (ICAR) Toledo, Spain 2023/05/22 2023/05/26

ICPE : International Conference on Power Electronics + Energy Conversion Congress and Exposition Asia (ECCE Asia)

Institute of Electrical and Electronics Engineers (IEEE) Jeju, Korea Rep 2023/05/22 2023/05/25

ITS European Congress

ERTICO ITS Europe Lisbon, Portugal 2023/05/22 2023/05/24

MTSA: International Symposium on Microwave/Terahertz Science and Applications

International Symposium on Microwave/Terahertz Science and Applications (MTSA) Copenhagen, Denmark 2023/05/23 2023/05/26


Reflective Insulation Manufacturers Association International (RIMA-I) Milan, Italy 2023/05/23 2023/05/25


Scandinavian Otolaryngological Society Reykjavik, Iceland 2023/05/24 2023/05/26

Annual Convention

Association for Psychological Science (APS) Washington DC, USA 2023/05/24 2023/05/28


International Actuarial Association (IAA) Sydney NSW, Australia 2023/05/24 2023/05/27

Nordic Congress of Radiology and Radiography

Nordic Society of Medical Radiology 2023/05/24 2023/05/26

Half-Yearly Conference

International Association of Young Lawyers The Hague, Netherlands 2023/05/24 2023/05/27

Annual Summit

International Transport Forum (ITF) Leipzig, Germany 2023/05/24 2023/05/26

European Stroke Conference

European Stroke Organisation (ESO) Munich, Germany 2023/05/24 2023/05/26

Annual Conference

International Communication Association (ICA) Toronto ON, Canada 2023/05/25 2023/05/29

Annual Meeting

European Association of Plastic Surgeons (EURAPS) Stockholm, Sweden 2023/05/25 2023/05/27


AEA - International Lawyers Network (AEA) Vienna, Austria 2023/05/25 2023/05/26


Asia-Pacific Metabolic & Bariatric Surgery Society (APMBSS) Rayong, Thailand 2023/05/25 2023/05/27

International ACP-I Conference

Advance Care Planning International (ACP-i) Singapore, Singapore 2023/05/25 2023/05/27

Annual Conference

American Literature Association (ALA) Boston MA, USA 2023/05/25 2023/05/28

Annual Congress

European Accounting Association (EAA) Helsinki, Finland 2023/05/26 2023/05/28

Annual Convention

Rotary International (RI) Melbourne VIC, Australia 2023/05/27 2023/05/31

Marine Aids to Navigation – Innovation for a Sustainable Future

International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA) Rio de Janeiro, Brazil 2023/05/27 2023/06/03

Spring Meeting

Electrochemical Society (ECS) Boston MA, USA 2023/05/28 2023/06/01

International Congress of Actuaries

International Association of Consulting Actuaries (IACA) Sydney NSW, Australia 2023/05/28 2023/06/01


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