行政区划是地址中最高一级单位,我国幅员辽阔,行政区划较复杂,总体上可分成五级(括号内所注为当前国内通用译名):1)国家(State):中华人民共和国(the Peoples Republic of China; P.R.China; P.R.C; China)2)省级(Provincial Level):省(Province)、自治区(Autonomous Region )、直辖市(Municipality directly under the Central Government,简称Municipality);特别行政区(Special Administration Region; SAR)3)地级(Prefectural Level):地区(Prefecture)、自治州(Autonomous Prefecture)、市(Municipality;City);盟(Prefecture);4)县级(County Level):县(County)、自治县(Autonomous County)、市(City)、市辖区(District),旗(County)5)乡级(Township Level):乡(Township)、民族乡(Ethnic Township)、镇(Town)、街道办事处(Sub-district)。