What are the settings in Stuart Little?

Could you elaborate on the various settings featured in Stuart Little? Are we talking about the bustling cityscape of New York, where Stuart navigates his adventurous life amidst towering skyscrapers and bustling streets? Or perhaps the cozy interiors of the Little family's home, where Stuart finds comfort and warmth amidst the chaos of his small but mighty world? Additionally, do the book's settings also include the enchanting world beneath the city, where Stuart encounters unique creatures and challenges? How do these settings contribute to the overall narrative and the development of Stuart's character?