This is the 8296th most frequent Spanish word.
piura
"Piura" is a proper noun referring to a city and region in northern Peru.
In this sentence, 'Piura' is used as a proper noun indicating a specific geographic location.
Piura es una ciudad en el norte de Perú.
Piura is a city in the north of Peru.
Here, 'Piura' again refers to the city, but within the context of describing a personal experience.
Cuando visité Piura, disfruté mucho de su gastronomía.
When I visited Piura, I greatly enjoyed its gastronomy.
In this case, 'Piura' identifies the originating location of the people being described.