This is the 7185th most frequent Spanish word.
fremont
"Fremont" is not a Spanish word; it is a proper noun, often used as a place name or surname.
In this sentence, 'Fremont' is used as a proper noun referring to a specific place: the name of a city.
Fremont es una ciudad en California.
Fremont is a city in California.
Here, 'Fremont' is another proper noun, this time referring to a neighborhood, also indicating a proper name with specific geographical significance.
Visitamos el barrio de Fremont en Seattle durante nuestro viaje.
We visited the Fremont neighborhood in Seattle during our trip.
In this last case, 'Fremont' still serves as a proper noun showing the location being described while emphasizing its characteristics.