AOP has the pleasure of providing delegates the following option(s) concerning accommodation.
Important note: faculty guest speakers should book their accommodation through their AOP speaker account.
Book through AOP official Travel Agent to benefit from special negotiated prices at selected hotels
Please contact the official Travel Agent for all matters concerning hotel accommodation:

Depending on your nationality and the country in which the congress is being held, you may be required to obtain a visa in order to attend. Please contact the country embassy / consulate closest to your place of residence to verify the full requirements concerning visas.
You may apply for:
- a Tourist Visa
- or a Business Visa
We strongly suggest that you apply for a simple Tourist Visa, as applying for a Business Visa requires a number of supporting documents.
If, however, you wish to apply for a Business Visa, we can send you an Invitation Letter that will bear the stamp of the AOP HEAD OFFICE. You may also be required to provide additional supporting documents such as a hotel reservation. AOP is unable to provide you with any additional supporting documents, these are your responsibility.
To obtain your Invitation Letter please follow the process outlined below.
What is the procedure?
- Register for the congress at least six weeks in advance (the delay for obtaining a visa varies according to the country).
- Once your registration has been processed we will send you an invoice, take note of its number.
- Fill in the request form not forgetting to include your invoice number in the appropriate field.
- Your Invitation Letter will be sent to you by email within 3 working days.
FAQS
Q: Why have I not received my invoice number yet?
A: Once you have registered
you will receive your invoice automatically. If you registered and haven't received it, please contact us
to find out the status of your registration.
Q: Can I request an Invitation Letter without having my invoice number?
A:
No, you must include your invoice number on the request form. Any demand which is missing any information will not
be taken into account.
Q: I work for an exhibiting company and don’t have an individual invoice number for my
registration. What do I do?
A: You must obtain the invoice number from your company that
corresponds to their participation in the congress. Then follow the normal steps using this invoice number and
filling in the additional information requested.
Q: I am a speaker of the conference and do not have an invoice number, what do I do?
A:
In the space provided for the invoice number, please indicate "I have been invited as a speaker".
Q: I require more information about visa requirements
A: Please contact your
local embassy/consulate to obtain the full visa details and country specific requirements depending on your
nationality.
Q: My visa was not granted. Can I get a reimbursement?
A: Yes, you must send
us the formal written answer from the Embassy or Consulate by email or fax. Once we have received the document, we
will reimburse you the total amount you paid minus a 30 Euro administrative fee. Please note that we are unable to
reimburse you if you do not supply us with an official document.

Metro (subway): Line 1 (La Défense – Château de Vincennes), "Porte Maillot" station – Palais des Congrès exit.
RER suburban trains: Line C (Pontoise), "Neuilly – Porte Maillot" station – Palais des Congrès exit.
Car: Inner loop of the Paris ring road (périphérique intérieur) : Porte Maillot exit. Outer loop of the Paris ring road (périphérique extérieur) : Porte des Ternes exit. Underground parking (almost 1,700 parking spaces) with direct access to the Palais des Congrès.
SEE ON GOOGLE MAP