Sheffield is a city in South Yorkshire, England, situated 29 miles (47 km) south of Leeds and 32 miles (51 km) east of Manchester. The city is the administrative centre of the City of Sheffield. It is historically part of the West Riding of Yorkshire. It is the largest settlement in South Yorkshire and the third largest of Northern England.
The city is in the eastern foothills of the Pennines and the valleys of the River Don with its four tributaries: the Loxley, the Porter Brook, the Rivelin and the Sheaf. Sixty-one per cent of Sheffield's entire area is green space and a third of the city lies within the Peak District national park and it is the fifth-largest city in England. There are more than 250 parks, woodlands and gardens in the city, which is estimated to contain around 4.5 million trees.