春秋"吴头楚尾"界说

“吴头楚尾”,顾名思义,是吴国与楚国的交界的地区。吴国与楚国交界之事,全在春秋时期。“吴头楚尾”,在今河南省、湖北省、湖南省的东界之东,即在今安徽省、江西省境内。“吴头楚尾”的争战之事。主要发生在今安徽省的北部与中部。吴国攻取和占领艾邑（今赣西北地区）的时间,在公元前504年至公元前495年之间。从公元前495年至公元前473年。是吴楚边界的稳定时期。吴国辖有番邑（令赣东北地区）和艾邑（今赣西北地区）;今江西中部和南部地区,大致属于楚国。（在令安徽境内）楚国的东界：乾溪、城父（今毫州市）——胡（今阜阳市）——英（今金寨县）——舒庸（今霍山县）——今宿松县。（在今安徽境内）吴国的西界：房钟（今蒙城县）——州来（今凤台县）——六（今六安市）——舒（今舒城县）——灊（今潜山县）。

The explanation of "the head of Wu and the end of Chu" of Spring and Autumn period

By the meaning of the name,"the head of Wu and the end of Chu" is the border district of Kingdom Wu and Kingdom Chu.Kingdom Wu and Kingdom Chu bordered on each other in the period of Spring and Autumn."The head of Wu and the end of Chu" is the east of the eastern boundary line of Henan province,Hubei province,Hunan province today.The event of the battle of "the head of Wu and Chu" happened to the north and middle of Anhui province of today.The period of Kingdom Wu attacked and occupied Aiyi was between 504BC and 495BC.The period between 495BC and 473BC,the boundary line of Wu and Chu is stable.Kingdom Wu controlled over Fanyi(now is the northeast area of Jiangxi province) and Aiyi(now is the northwest area of Jiangxi province),now the middle and south area of Jiangxi province's probably belongs to Kingdom Chu in that time.The eastern boundary of Kingdom Chu(now in the area of Anhui province): Qianxi Chenfu(now Bozhou city)-Hu(now Fuyang city)-Ying(now Jinzhai town)-Shuyong(now Huoshan town)-now Susong town.The western boundary line of Kingdom Wu(now in the area of Anhui province): Fangzhong(now Mengcheng town)-Zhoulai(now Fantai town)-Liu(now Liuan city)-Shu(now Shucheng city)-Qian(now Qianshan town).