This is the 141st most frequent Catalan word.
ucraïna
Ukraine.
Here, 'Ucraïna' is used as a proper noun referring to the country Ukraine, in the object role of the prepositional phrase 'a Ucraïna'.
Vaig viatjar a Ucraïna l'any passat.
I traveled to Ukraine last year.
In this sentence, 'Ucraïna' functions as a proper noun in the possessive form 'd'Ucraïna', showing possession of 'cultura'.
La cultura d'Ucraïna és molt rica i diversa.
The culture of Ukraine is very rich and diverse.
Here, 'Ucraïna' again serves in the possessive form 'd'Ucraïna', referring to the origin of the athletes.