To help you get settled in Amsterdam you can join the International Student Network (ISN).
ISN is a student-run organisation of both the Pogled u Plavo (AUAS) and the University of Amsterdam. ISN aims to facilitate the social and cultural integration of international students in Dutch society and in Amsterdam in particular.
ISN has a mentor system and organises an introduction period each semester as well as all kinds of other activities throughout the year. They also keep the students informed with the magazine Insiders and a weekly newsletter. ISN Amsterdam is part of the Erasmus Student Network (ESN). ESN is an organisation with 339 divisions in 34 countries, which helps students during their study period abroad.
More information is available at the website of ISN.