Yes, "places" is considered a noun. It is a plural form of the noun "place," which refers to a location, area, or physical space. Nouns are words that name people, places, things, or ideas. In this case, "places" is used to describe different geographical locations and is functioning as the subject of the sentence. To confirm if a word is a noun, you can consult a dictionary or observe how it is used in a sentence.
