Arrange these UP districts by highest to lowest population density.

Q. Arrange these UP districts by highest to lowest population density.
Answer: Ghaziabad, Hapur, Meerut, Gautam Buddh Nagar
Notes: Ghaziabad has the highest population density (3,967/km²), followed by Hapur (2,000/km²), Meerut (1,346/km²), and Gautam Buddh Nagar (1,161/km²) per Census 2011. All districts are in Uttar Pradesh's western part, adjacent to the National Capital Region.