General Information:
EU-Community: https://www.daad.de/de/laenderinformationen/
EURES-Portal: https://eures.ec.europa.eu/index_de
The World Factbook: https://www.cia.gov/the-world-factbook/countries/belgium/
Visa:
Visa types and requirements: https://www.schengenvisainfo.com/belgium-visa/
Entry and residence requirements:
Federal Foreign Office: https://dofi.ibz.be/language_selection_page?destination=/node/1
Finding an internship/Job in Belgium:
References.de: https://references.lesoir.be/(in French)
Vacature.com: http://www.vacature.com/ (in Dutch)
Moveup.be http://www.moveup.be/
Tipps for Applying:
E-fellows.net: https://www.e-fellows.net/
Tipps of Monster.de: https://www.monster.de/
Social insurance provisions:
Federal Public Service Social Security: https://socialsecurity.belgium.be/en
The National Pensions Office: https://www.rvponp.fgov.be/
Insurance:
Information for Germans: https://www.bdae.com/privatkunden
Tax regulations:
Federal Public Financial Service: https://finance.belgium.be/en
Accommodation:
Meeting Professionals International: https://www.mpi.org/
Le portail des étudiants: https://www.student.be/nl
Youth Hostels: https://lesaubergesdejeunesse.be/
Bed & Breakfast: https://www.mpact.be/
Bed & Breakfast: https://bnb.brussels/
Culture:
Doing Business in Belgium: https://www.doingbusiness.org/content/dam/doingBusiness/country/b/belgium/BEL.pdf
Executive planet – Business Etiquette in Belgium: http://www.executiveplanet.com/index.php?title=Belgium
eDiplomat - Cultural Etiquette: http://www.ediplomat.com/np/cultural_etiquette/ce_be.htm
Wikipedia: https://en.wikipedia.org/wiki/Belgium
Further information:
Startportals: https://www.aboutbelgium.net/
Tourist information: https://www.visitflanders.com/de/?country=de_DE
Tourist information: https://walloniebelgiquetourisme.be/