This is the 577th most frequent Slovenian word.
nagrado
"Prize" or "reward."
In this sentence, 'nagrado' is in the accusative case, used as the direct object of the verb 'dobil', meaning 'received'.
Dobil je nagrado za svoje trdo delo.
He received an award for his hard work.
Here, 'nagrado' again appears in the accusative case, representing the object receiving gratitude expressed by 'hvala' (thank you).
Hvala za nagrado, zelo me veseli.
Thank you for the award, I am very pleased.
The term 'nagrado' is used in the accusative case as the object being awarded by the organizers who are the subject of the verb 'podelili' (will award).