What is the organizing principle of a nation?
To carry on the tradition, values, religion and culture of the peoples
"You can be French, English, German, yet Catholic, Protestant, Jewish, or practicing no religion". Mutuality of interests is fine for corporations and their affiliates, but nationality is based on sentiment. Geography merely leads us astray, and often to violence: "Mountains don't know how to carve out countries".
Its a typical socialist way of thinking, nation shares the same mentality, literature and nation's history.
Don't you afraid that you are loosing your Polish identity and unwittingly are gaining a new one?
Not in the slightest, just because you live in a foreign country doesnt automatically mean that one will lose his country's heritage and identity.. look at the Jews for an example.