General Information:
EU-Community: http://eu-community.daad.de/index.php?id=63
EURES-Portal: https://ec.europa.eu/eures/main.jsp?acro=lw&lang=de&catId=490&parentId=0

Visa: 
Visa types and requirements: https://www.iceland.is/iceland-abroad/uk/visit-iceland/visit-iceland

Entry and residence requirements:
Ministry for foreign affairs (VISA and Residence Permit): utl.is/...

Social insurance provisions:
Social Security Institute: tr.is/...

Health care:
Icelandic Health insurance: sjukra.is/...
European health insurance card:sjukra.is/...

Tax regulations:
RSK – Directorate of internal revenue: rsk.is/...

Accommodation:
Accommodation in Iceland: randburg.com/...

Country information:
VISIT ICELAND – official tourism information site: uk.visiticeland.com/...
The official gateway to Iceland: iceland.is/...
Iceland naturally: icelandnaturally.com/...

Further information:
Wikipedia: en.wikipedia.org/...