Rotterdam Expat Centre is now Rotterdam International Center. We have moved into a new office in the Groot Handelsgebouw read more

The sirens (luchtalarm) are part of the Netherlands’ national emergency system.

The sirens are tested every first Monday of the month at noon and last for 1 minute and 26 seconds, except if this day falls on Remembrance Day, or any national- and religious holidays.

If the sirens last longer than the specified 1 minute and 26 seconds, or on any other day than the first Monday of the Month: go inside, close all doors and windows and tune into Radio Rijnmond on 93.4 FM or go to (Dutch)