This is the 973rd most frequent Finnish word.
pielaveden
"Pielaveden" is the genitive form of "Pielavesi," which means "of Pielavesi," referring to a municipality in Finland.
Here, 'Pielaveden' is in the genitive case, indicating 'of Pielavesi', relating the beauty to Pielavesi.
Pielaveden kauneus on ainutlaatuista.
The beauty of Pielavesi is unique.
In this context, 'Pielaveden' specifies location, indicating the church located in or associated with Pielavesi.
Kävin viime kesänä Pielaveden kirkossa.
I visited the church in Pielavesi last summer.
Here, 'Pielaveden' once more indicates possession, describing the shore belonging to or associated with Pielavesi.