This is the 8387th most frequent Portuguese word.
valença
"Valença" refers to a place name, typically a city or town, in Portugal or Brazil.
In this sentence, "Valença" refers to a proper noun, the name of a city in Portugal or Brazil.
Eu visitei Valença durante as minhas férias.
I visited Valença during my vacation.
Here, "valença" is used as a variation of the word "valor," meaning valuable or precious.
Ele sempre guarda seus objetos de valença em um cofre.
He always keeps his valuable items in a safe.
In this context, "Valença" refers to fortifications or defensive walls, derived from historical usage.