第(di)三(san)名:天津
天(tian)(tian)(tian)津(jin),簡稱津(jin),是(shi)中(zhong)(zhong)華(hua)人(ren)民共和國直轄市、中(zhong)(zhong)國國家中(zhong)(zhong)心城(cheng)市、中(zhong)(zhong)國北方(fang)經(jing)(jing)(jing)濟中(zhong)(zhong)心、環渤(bo)海(hai)(hai)(hai)地(di)區經(jing)(jing)(jing)濟中(zhong)(zhong)心、中(zhong)(zhong)國北方(fang)國際(ji)航(hang)運(yun)中(zhong)(zhong)心、中(zhong)(zhong)國北方(fang)國際(ji)物流中(zhong)(zhong)心、國際(ji)港口(kou)城(cheng)市和生(sheng)態城(cheng)市、國際(ji)航(hang)運(yun)融資中(zhong)(zhong)心、中(zhong)(zhong)國中(zhong)(zhong)醫藥研(yan)發中(zhong)(zhong)心、亞太區域海(hai)(hai)(hai)洋儀器檢測評價中(zhong)(zhong)心。天(tian)(tian)(tian)津(jin)自古因漕(cao)運(yun)而興起(qi),明(ming)永樂(le)二(er)年(nian)十(shi)一月二(er)十(shi)一日(1404年(nian)12月23日)正式筑城(cheng),是(shi)中(zhong)(zhong)國古代唯(wei)一有確(que)切建城(cheng)時間記錄(lu)的城(cheng)市。歷(li)經(jing)(jing)(jing)600多年(nian),造就了天(tian)(tian)(tian)津(jin)中(zhong)(zhong)西合璧、古今兼容的獨特城(cheng)市風貌。天(tian)(tian)(tian)津(jin)位于(yu)華(hua)北平原(yuan)海(hai)(hai)(hai)河(he)五大支流匯(hui)流處,東臨渤(bo)海(hai)(hai)(hai),北依燕山,海(hai)(hai)(hai)河(he)在城(cheng)中(zhong)(zhong)蜿蜒而過,海(hai)(hai)(hai)河(he)是(shi)天(tian)(tian)(tian)津(jin)的母親河(he)。天(tian)(tian)(tian)津(jin)濱海(hai)(hai)(hai)新(xin)區被譽為(wei)“中(zhong)(zhong)國經(jing)(jing)(jing)濟第三(san)增長極”。天(tian)(tian)(tian)津(jin)是(shi)夏(xia)季達沃斯論(lun)壇常駐舉辦(ban)城(cheng)市。