Sheffield City Centre Kelham Island Quarter. In the 21st century it has become dominated by new office developments and apartment complexes. The Riverside Exchange and West Bar developments are a significant part of this change and have seen the area transformed dramatically. Also in this area is the St Vincent Quarter which lies on the opposite bank of the River Don to the Riverside Exchange area. The Sheaf Valley Area, surrounding the River Sheaf, is dominated by Sheaf Square/Sheffield Station and the Cultural Industries Quarter (CIQ). Sheaf Square, which has been completely redeveloped in recent years, now serves as gateway to the city
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,