American Society of Travel Advisors (abbreviated as ASTA) is a trade association which was formed to represent and defend the business and regulatory public policy interests of travel intermediaries, including travel agencies (including traditional "brick and mortar" agencies, online portals, mega- and corporate agencies, and small and mid-market businesses) and tour providers (including wholesalers and operators). The headquarters of the "American Society of Travel Advisors" is in Alexandria, Virginia, United States; it is a US Internal Revenue Service 501(c)(6) tax-exempt not-for-profit entity.