Though it has a land area of only 148 square kilometers, Kinmen has long been regarded as a stronghold to be fought for by military strategists.
金門島雖幅員僅一四八平方公里，但形勢險要，自古即為兵家必爭之地，明洪武二十年（西元一三四七年），江夏侯周德興於此築城布防，正式命名為「金門」，取其「金湯永固，雄鎮海門」之義。