Registration and Hotel

  • Beware of Fake ASTRO Meeting and Housing Websites
    It has come to our attention that one or more companies are claiming to be associated with ASTRO to assist attendees with registration and housing for the 2018 ASTRO Annual Meeting in San Antonio. The only company affiliated with ASTRO to provide this service is SPARGO Inc. Registration and housing for the 2018 ASTRO Annual Meeting will open in mid-June at If you are contacted by anyone other than SPARGO Inc., please use caution in giving out any personal or financial information, and notify us at and pass along any information or communications you receive.
  • RegistrationView the categories, rates and deadline for the 2018 ASTRO Annual Meeting registration process.
    HotelStarting in mid-June, make your hotel reservations for San Antonio via ASTRO's official housing bureau.
    Ticketed Event FeesInterested in attending one of ASTRO's ticketed events? Learn more about these events and the fees associated with each.
    Travel InformationFind details on transportation options, San Antonio information and helpful links for international travel.
    Attendee PoliciesSee details on important policies and cancellation information for ASTRO 2018.