Practical Information


We do not issue formal invitation letters for visas. We can, however, issue a Visa Letter. A Visa Letter is an official statement of your reasons for travelling abroad. An embassy or consulate often requires such a document in order to issue an official travel visa. To receive a Visa Letter, please send a request to

In order for us to issue a Visa Letter, it is necessary that you have registered and paid for your participation in the conference. Those requesting a letter should allow up to one week to receive it, as requests are processed in the order in which they are received. The information specified below should be included in the request:

  • First name
  • Family name
  • Date of birth
  • Place of birth
  • Nationality
  • Passport number
  • Date of issue (passport)
  • Date of expiry (passport)


Amsterdam practicalities

The Netherlands uses the euro (€) as its currency. Major credit cards are accepted at most large businesses in Amsterdam.

Dutch is the official language of the Netherlands. English is widely spoken in Amsterdam. Many people also speak other foreign languages, such as German and French.

Safety & Crime
Amsterdam is considered as a relatively safe city. In general, violent crimes do not occur very often. However, be aware of pick-pocketing; Pickpockets are mainly active in the summer and in the trains travelling between Amsterdam Central Station and Schiphol Airport.

They can also find you in a tram or when you are watching one of the many street artists perform. Watch your belongings carefully.

National Emergency numbers

  • Police, fire brigade, ambulance: tel.: 112
  • National number police, no emergency: tel.: +31 900 8844

Shops’ opening hours

  • Monday: 11.00 – 18.00
  • Tuesday – Saturday: 09.00 – 18.00
  • Thursday evening: until 21.00
  • Sunday: 12.00 – 17.00

Credit cards
Electronic transactions and ATMs are common.
Visa, MasterCard and American Express are generally accepted.

Within The Netherlands 230 Volts/50 Hertz electrical supply is used and a two-pin plug is used. Visitors may need converters and adapters.

Public transportation
Consult the GVB public transport company’s website.

With 600,000 bikes shared amongst the 750,000 residents, there are bikes everywhere in Amsterdam. Cycling is a way of life and bikes are used for everyday transport, whether commuting to work in a business suit, shopping for groceries or getting the kids to school. The 400 kilometers of bike lanes and paths in Amsterdam alone make it easy for visitors to experience the city by bike for themselves. There are bike-hire shops everywhere. Be careful as a pedestrian that you are aware of bike lanes and do not think they are for you to walk along.

Early autumn in Amsterdam can offer a typical Dutch mix of beautiful warm and sunny days, or chilly grey days with drizzle or even heavy rains. So, do check the weather reports and bring an umbrella.