长安镇位于东莞市最南端,南临珠江口,东与深圳市接壤,总面积,,83,,平方公里,户籍人口,,3.5,,万多人,外来人口,,60,,多万人,旅港同胞,,3,,万多人。,,2002,,年全镇国内生产总值,,23.8,,亿元,工农业总产值,,63.5,,亿元,出口总额,,24,,亿美元。长安镇先后被评为,,“,,中国乡镇之星,,”,,、,,“,,中国乡镇投资环境,,100,,强,,”,,、,,“,,国家卫生镇,,”,,、,,“,,全国小城镇建设示范镇,,”,,等荣誉,特别是,,1998,,年被评为,,