International attendee information

Traveler tips

Visa application guidelines and procedures 
Information about United States visa requirements and procedures can be found on the website of the U.S. Department of State.

In March, Washington D.C. has an average high of 56°F (13°C) and average low of 38°F (3°C).

It is customary to tip bartenders, waiters, and cab drivers between 15 to 20 percent. Hotel staff also expect to receive tips. Bellhops can be tipped $1 per bag, while doormen and valet car servicemen should receive $1 to $2. You may provide a tip for maid service (housekeeping) at your hotel by leaving $1 to $3 either on the bed or the table next to the bed.

Business casual is appropriate for the meeting.  Some meeting rooms might feel cold, so a sweater or light jacket might be helpful. Comfortable shoes are recommended as there are long walking distances within the convention center.

In case of emergency, dial 911 from any phone.

Exchange rate
Help plan your trip by checking the current exchange rate of your currency in U.S. dollars.

Time zone
The United States has four time zones: Eastern, Central, Mountain, and Pacific. Washington D.C. is located in the Eastern Time Zone.    

The United States uses 110-120 volts AC (60 cycles).

U.S. country code: +1
Washington D.C area code: (202) 
U.S. telephone numbers have seven digits, plus area code listed above (e.g., 555-1234)

  • To make a local Washington D.C. call, dial the seven-digit number
  • To call within the USA, but outside the 202/Washington D.C area code, dial 1 + area code + seven-digit number
  • To call internationally from Washington D.C, dial "011" + country code + area code + number

Most hotels offer complimentary high-speed internet connections in the lobby of their hotel. There is variation in cost (free to per diem charge) with regard to high-speed internet that is offered in sleeping rooms. Your hotel will display the rate.


When booking your hotel, don’t forget about some important changes to the meeting schedule. See important date changes below.

Global Education Day
Thursday, February 28 - Select international societies will be holding independent sessions. Learn more
Educational Sessions
Educational sessions will end at 12 p.m. on Tuesday, March 5.
Exhibit Hall
The exhibit hall will be open Friday, March 1 and Saturday, March 2 from 10 a.m. – 5 p.m. and Sunday, March 3 from 10 a.m. – 3 p.m.

AAD official housing

The official list of AAD hotels can be found under the housing page. Hotel reservations must be made in conjunction with registration for the meeting.

AAD official international group housing
For detailed information and qualifications, go to Groups.

Other housing - hostels/motels
The AAD does not offer hostels/motels within the official housing block, however there are options for this in Washington D.C.  Reservations for these arrangements must be made on your own. To access a site for this listing, go to Hostels-Washington D.C.

*The AAD is not responsible for any housing arrangements made outside the AAD official housing block


Ronald Reagan Washington National Airport (DCA)
2401 Smith Boulevard, Arlington, VA 22202
(6.2 miles to Washington Convention Center)

Washington Dulles International Airport (IAD)
1 Saarinen Cir, Dulles, VA 20166
(33 miles to Washington Convention Center)


(All rates subject to change depending on traffic)

  • Taxi fare from Ronald Reagan Washington National Airport to the Walter E. Washington Convention Center is approximately $25.00 USD.

  • Taxi far from Washington Dulles International Airport to Walter E. Washington Convention Center is approximately $80.00 USD.

At the meeting

Meeting location
Walter E. Washington Convention Center
801 Mount Vernon Place, NW
Washington, D.C. 20001

The official language of the Annual Meeting is English.

Letter of invitation
You will need to first complete your registration. Upon completion of your registration, the online registration system will automatically generate your letter of invitation for printing. You will receive your letter via email to the address provided during registration. Letters of invitation for Guest registrants will only be provided if the accompanying individual has completed his or her meeting registration. Due to security concerns, letters will only be issued to registrants who have completed registration by February 20, 2019, at 12 p.m. noon (CT).

Videotaping/photography in educational sessions 
Use of cameras, camera phones, video cameras is prohibited in all educational sessions. Violations of this policy will result in removal from the session and confiscation of equipment. Directors and room monitors will be closely monitoring adherence to this policy.