北(bei)京，簡稱“京”，古(gu)稱燕(yan)京、北(bei)平，是中(zhong)(zhong)華(hua)人民共和國(guo)的首(shou)都、直轄(xia)市(shi)(shi)(shi)(shi)、國(guo)家中(zhong)(zhong)心城(cheng)(cheng)(cheng)(cheng)市(shi)(shi)(shi)(shi)、超大(da)城(cheng)(cheng)(cheng)(cheng)市(shi)(shi)(shi)(shi)，國(guo)務院(yuan)批復確定的中(zhong)(zhong)國(guo)政治中(zhong)(zhong)心、文(wen)化中(zhong)(zhong)心、國(guo)際交往中(zhong)(zhong)心、科技創新中(zhong)(zhong)心。北(bei)京被世界(jie)城(cheng)(cheng)(cheng)(cheng)市(shi)(shi)(shi)(shi)研究機(ji)構GaWC評(ping)為世界(jie)一線城(cheng)(cheng)(cheng)(cheng)市(shi)(shi)(shi)(shi)，聯合(he)國(guo)報告指(zhi)出北(bei)京人類發展(zhan)指(zhi)數(shu)居中(zhong)(zhong)國(guo)城(cheng)(cheng)(cheng)(cheng)市(shi)(shi)(shi)(shi)第(di)二(er)位。北(bei)京成功舉辦夏奧會與冬奧會，成為全(quan)世界(jie)第(di)一個“雙奧之(zhi)城(cheng)(cheng)(cheng)(cheng)”。