This is the 938th most frequent Icelandic word.
stofnunin
"The institution."
In this sentence, 'stofnunin' is used to mean 'the institution,' referring to an established organization that exists to serve a specific purpose.
Stofnunin hefur verið til staðar síðan 1950.
The institution has been present since 1950.
Here, 'stofnunina' is in the accusative case (object form), still meaning 'the institution,' showing the direct object of the action of visiting.
Við heimsóttum stofnunina til að læra meira um starfsemi þeirra.
We visited the institution to learn more about their operations.
In this case, 'stofnun' in 'stofnunin' is in the dative case as part of the prepositional phrase, describing an institution known for its educational quality.