南(nan)京，簡稱(cheng)寧，江蘇省省會(hui)，位于江蘇省西南(nan)部(bu)、長江下游。南(nan)京是中國(guo)東部(bu)地(di)區重(zhong)(zhong)(zhong)要(yao)的中心城(cheng)(cheng)市、全國(guo)重(zhong)(zhong)(zhong)要(yao)的科(ke)研教(jiao)育(yu)基地(di)和綜合交通(tong)樞(shu)紐，是長江三角(jiao)洲唯一的特大城(cheng)(cheng)市和長三角(jiao)輻射帶動中西部(bu)地(di)區發(fa)展重(zhong)(zhong)(zhong)要(yao)門戶城(cheng)(cheng)市、首(shou)批(pi)國(guo)家歷史(shi)文化名城(cheng)(cheng)和全國(guo)重(zhong)(zhong)(zhong)點風景旅(lv)游城(cheng)(cheng)市。