Registration and Housing Piracy

ASTRO works with SPARGO, Inc., the official registration and housing provider for the 2023 Annual Meeting. If you are contacted by anyone who is not a representative of SPARGO, Inc., asking if you need assistance with hotel accommodations or registration for the Annual Meeting, please get as much information as you can and pass it along to us. Learn more about our Housing Poachers and Pirates Policy.



Registration for the 2023 ASTRO Annual Meeting in San Diego is now closed.


Housing for the 2023 Annual Meeting is now closed. If you are still seeking accommodations, the ASTRO Housing Center is still available to help.

Travel Information

Find details on San Diego, transportation options and helpful links for international travel.

Family-Friendly Services

Traveling with your family? View information for including your family either at the meeting or during your downtime.

Event Code of Conduct

ASTRO is committed to providing a professional, collegial, safe and respectful environment for all aspects of the Annual Meeting. View ASTRO's Event Code of Conduct for the Annual Meeting. 

American Society for Radiation Oncology
251 18th Street South, 8th Floor
Arlington, VA 22202
Telephone: 703-502-1550


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