* Interrogative Adverb: When asking a question about location (e.g., "Where are you going?").
* Relative Adverb: When introducing a relative clause that describes a place (e.g., "The park where I met you is closed.").
* Adverb of Place: When indicating a location (e.g., "I live where it's warm.").
Let me know if you have a sentence in mind, and I can tell you the specific part of speech for "where" in that context!