This is the 6234th most frequent Polish word.
belgię
"Belgię" is the accusative form of "Belgia," meaning "Belgium" in English.
In this sentence, 'Belgię' (the accusative form of 'Belgia') is used as the direct object of the verb 'podróż' (planowanie podróży).
Planuję podróż do Belgii w przyszłym miesiącu.
I am planning a trip to Belgium next month.
Here, 'Belgię' is used as the direct object complement of the verb 'odwiedziłem' (to visit).
Kiedy byłem dzieckiem, odwiedziłem Belgię.
When I was a child, I visited Belgium.
In this sentence, 'Belgię' serves as the direct object complement of the verb 'kojarzę' (to associate).