This is the 9005th most frequent Spanish word.
valdivia
"Valdivia" is a proper noun referring to a city in southern Chile.
In this sentence, 'Valdivia' is used as a proper noun, referring to the name of a city.
Valdivia es una ciudad en el sur de Chile.
Valdivia is a city in the south of Chile.
Here, 'valdivio/a' is employed as an adjective to describe something related to Valdivia, modifying 'estilo' as 'valdivian'.
El estilo arquitectónico valdivia es muy distintivo.
The Valdivian architectural style is very distinctive.
Once again, 'Valdivia' refers specifically to the city, illustrating its usage in a travel-related context.