Welcome to the AST-23 travel and logistics page


The meeting will take place at the International Hydrographic Organization Secretariat in Monaco.  This link includes the address and a map to help find the building.  Upon arrival, enter through the automatic doors and then ring IHO’s bell.  An elevator will be sent and you can take that up.  On the first day of your arrival, you will need to either immediately take a rapid COVID test or swear that you just took one and are negative.  See details below.  No other identification is needed, but masks are required inside IHO.

COVID information

All participants will need to do ONE of the following upon their first day at IHO:

  1. Take a rapid COVID test provided onsite & wait for results before entry  OR
  2. Take a rapid COVID test on their own right before and attest to the negative result at IHO.

Masks should be worn within IHO.

This website gives information on what travelers need to do before arrival to Monaco.

This website gives information about traveling to France.  For travelers from ‘orange’ or ‘red’ countries, an electronic form needs to be filled out.

How to get from the Nice Airport to Monaco

You can travel via bus, taxi + train or taxi.

Taxi:  takes about one hour and costs approximately 95 Euros.

Taxi + train:  take a taxi to the main Nice train station (“La gare Nice-Ville”) where you can catch a train to Monaco.  Learn more here.

Bus:  The NICE AIRPORT Express (Aeroport de Nice COTE D’AZUR) Number 110 provides regular bus service between the Nice Airport and Monaco.  The bus departs from the Nice Airport (terminals 1 and 2) every 1/2 hour between 8.45 and 22.00.  The journey takes about 45 minutes and costs 20 Euros one way.  To return to the airport from Monaco, the buses run every 1/2 hour starting at 6.45 until 19.50.  There are several pick-up/drop-off points in Monaco, including Allées Lumière (in front of the Park Palace), Place Sainte Dévote, Place d’Armes, Fontvieille (outside the Marriott Hotel) (ex-Ramada) and the Rose Gardens.  To learn more, click here.


A list of hotels is available here.  Many visitors use Hotel Ambassador or Hotel de France.