England is located in the central and southern part of the British island ,there are also over 100 small islands. The Irish Sea is to the northwest and the Celtic Sea to the southwest of England. The UK's topography is dominated by low hills and plains, especially in the central region. and south. However, there are highlands in the north and southwest. The majority of the population is concentrated around London, the Southeast, and the urban areas of the Midlands, Northwest, Northeast and Yorkshire.