Although Belgium has never been the most popular destination for Polish migrants, their number increased heavily after the year 2004, when Poland entered the European Union. The main reason for coming to Belgium is a better labour market, well known to Poles for years because of their illegal work. The article strives to provide both demographic and social information about the Polish community in Belgium, with particular reference to the level of integration of Poles with other members of society, as well as to compare Polish immigrants in Belgium to the Moroccan and Turkish population. ; Although Belgium has never been the most popular destination for Polish migrants, their number increased heavily after the year 2004, when Poland entered the European Union. The main reason for coming to Belgium is a better labour market, well known to Poles for years because of their illegal work. The article strives to provide both demographic and social information about the Polish community in Belgium, with particular reference to the level of integration of Poles with other members of society, as well as to compare Polish immigrants in Belgium to the Moroccan and Turkish population.