Poland

NK
NK.pl is a large Polish school-based social networking service used by alumni and students. 

ONET
Polish search engine.

POLISH MID
The Insurance Guarantee Fund is responsible for payment compensations and benefits to the injured parties in traffic accidents and collisions caused by uninsured motor vehicles’ owners and uninsured farmers.

POLONIUSZ
Site for Polish workers who are looking to work abroad. Has adverts for jobs and housing.

WYKOP
Polish micro blog site.