《汉书·枚乘传》“二十四郡、十七诸侯”的说法,其中“二十四郡,十七诸侯”所反映出的政区问题,关系到西汉的政区地理布局,向来为历史地理研究者所重视。许多前辈学者在考察汉郡的过程中,大致都使用到这条材料。但结论却有可商榷之处。笔者意欲就此问题展开讨论,不足之处,方家学者尚望赐教。《汉书·枚乘传》记载汉景帝初即位,晁错即建议景帝削藩,三年,吴楚七国反 “Han master copy pass” “twenty-four counties, seventeen princes ” argument, which “twenty-four counties, seventeen princes ” reflects the political issues, related to the Western Han dynasty Geographical layout, historians and geographers have always been valued. Many senior scholars generally used this material during their visit to the county. But the conclusion is open to question. I intend to discuss this issue, inadequacies, Fang scholars still hope to enlighten me. “Han Shu Mi Biography” Han Jingdian records ascended the throne, Chao Cuo that King proposed cutting fan, three years, Wu Chu seven anti