西安娥墙,呈长方形,东墙长2590米,西墙长2631.2米,南墙长3441.6米,北墙长3244米,周长11.9公里,包括瓮城长14公里,城区面积11.5平方公里。城墙底宽15-18米,预宽12-14米,墙高12米。外墙有垛口5984个,内沿墙无垛口。城四周还修有98座敌台(又叫墩台或马面),敌台就是沿城墙外缘呈土。凸字形的墙台,高度与城墙相同。这一组组数字表明,两安古城墙,无论在高度, Xi’an Ewall, rectangular, east wall 2590 meters long, 2631.2 meters long west wall, south wall 3441.6 meters long, north wall 3244 meters long, 11.9 kilometers long, including the 14 kilometers long Urn, the urban area of ​​11.5 square kilometers. 15-18 meters wide at the end of the city wall, pre-width 12-14 meters, 12 meters high wall. Façade have crevasses 5984, along the wall without crenellated mouth. Around the city also repair 98 enemy units (also known as pier or horse surface), the enemy units are along the outer edge of the wall was soil. Braille wall of the wall, the same height and wall. The figures in this group show that the two ancient city walls, no matter in height,