ASTRO works with SPARGO Inc., the official registration and housing provider for the 2022 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 ASTRO 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 ASTRO Annual Meeting is now closed.
Housing for the ASTRO Annual Meeting is now closed, but we still have options for your stay. View the list of hotels to contact directly for your accommodations.
Find details on San Antonio, transportation options and helpful links for international travel.
Child Care Services
Traveling with your family? View information on local child care resources.