To answer your specific question, in this example, no she’s not gaslighting you. Gaslighting is a special form of lying intent on having you doubting your own reason, judgement, and even memory, in favor of someone else’s.
In this case, it sounds like she’s afraid of her own neighborhood, and is depending on you to make her feel safe. Were I in your position, I would talk to her about looking for someplace to live she does feel safe.