The phrase "little girl's room" is often used to refer to the bedroom of a young girl. However, there are many synonyms that can be used to describe this space. For example, you might refer to it as a "bedchamber," "boudoir," or "nursery." Other options might include "playroom," "princess chamber," or "dollhouse." If you are looking for a more specific term, you could refer to it as a "toddler's room," "preschooler's sanctuary," or "youngest daughter's quarters." Ultimately, the term you choose will depend on the context and your personal preferences. Regardless of the word you use, however, the goal is the same: to evoke a sense of warmth, safety, and comfort for the little girl who calls the room home.