从地理观念上看中亚大致包括:东起中国的新疆,西到伊朗高原,南抵印度河流域,北到苏联境内锡尔河和阿姆河流域;西亚地区主要是指从伊朗高原向西,经两河流域,到地中海东岸,这块狭长地区。从古代开始就有许多民族在这些地区迁移和活动,国家和政权更换频繁。自阿赫美尼德王朝和塞琉古王朝之后先后出现大夏、安息、贵霜、康居、萨珊等王国。各种宗教力量也在这里争取信徒、抢夺地盘,如拜火教,佛教、摩尼教、基督教和伊斯兰教相继在这里传播。因此在人种学、语言学,历史学和宗教学各个领 Geographically, Central Asia generally includes: Xinjiang in China from east to west, to the Iranian plateau in the west, India to the south in the basin, and to the Syrian and Amur rivers in the Soviet Union in the north. West Asia mainly refers to the westward from the Iranian plateau, The two rivers, to the east coast of the Mediterranean, this narrow strip. Since ancient times, many ethnic groups have migrated and moved in these areas, with frequent exchanges of states and regimes. Since the Ahcheneid dynasty and the ancient Seleucid dynasty, great dynasties, rest in peace, Kweichow, Kangju, Sasan and other kingdoms appeared one after another. Various religious forces are also here to fight believers, snatch sites, such as through fire, Buddhism, Manichaeism, Christianity and Islam spread here. So in the ethnography, linguistics, history and religion learn each collar