History of Sheffield of the 7th century. An enduring Celtic presence within this area is evidenced by the settlements called Wales and Waleswood close to Sheffield—the word "Wales" derives from the Germanic word "Walha", and was originally used by the Anglo-Saxons to refer to the native Britons. The name "Sheffield" is Old English in origin. It derives from the River Sheaf, whose name is a corruption of "shed" or "sheth", meaning to divide or separate. "Field" is a generic suffix deriving from the Old English "feld", meaning a forest clearing. It is likely then that the origin of the present-day city of Sheffield
Sheffield There are six areas within the city that are designated as sites of special scientific interest. The present city boundaries were set in 1974 (with slight modification in 1994), when the former county borough of Sheffield merged with Stocksbridge Urban District and two parishes from the Wortley Rural District. This area includes a significant part of the countryside surrounding the main urban region. Roughly a third of Sheffield lies in the Peak District National Park. No other English city had parts of a national park within its boundary, until the creation in March 2010 of the South Downs National Park,