Original: The VisegrÃ d Group , also called the VisegrÃ d Four or V4 , is an alliance of four Central European states -- the Czech Republic , Hungary , Poland and Slovakia -- for the purposes of cooperation and furthering their European integration .
Simplified: The VisegrÃ d Group ( also the VisegrÃ d Four or V4 ) is a group of four central European countries : the Czech Republic , Hungary , Poland and Slovakia .