![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/%25E9%259A%258B%25E5%25A4%25A7%25E8%2588%2588%25E5%259F%258E%25E5%259D%258A%25E5%25B9%25B3%25E9%259D%25A2%25E5%259C%2596.png/640px-%25E9%259A%258B%25E5%25A4%25A7%25E8%2588%2588%25E5%259F%258E%25E5%259D%258A%25E5%25B9%25B3%25E9%259D%25A2%25E5%259C%2596.png&w=640&q=50)
長安
From Wikipedia, the free encyclopedia
西安,古長安也,中國舊都,漢、隋、唐都之,城址歷朝有變,今西安咸陽間是焉。王莽篡,嘗易名常安而都之,合以常治久安意,莽卒,尋復名。後梁朱溫置雍州大安府,元世歸安西、奉元路,有明稱西安,迄今沿用。
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/%E9%9A%8B%E5%A4%A7%E8%88%88%E5%9F%8E%E5%9D%8A%E5%B9%B3%E9%9D%A2%E5%9C%96.png/640px-%E9%9A%8B%E5%A4%A7%E8%88%88%E5%9F%8E%E5%9D%8A%E5%B9%B3%E9%9D%A2%E5%9C%96.png)
今之西安城牆者,蓋明西安城也。唐長安者,倍之。凡十二門,二十二街,百一十坊,中分朱雀大路,東萬年,西長安,倭僧圓仁《入唐求法巡禮行記》載,「夜三更東市失火,燒東市曹門以西二十四行,四千餘家。」
漢長安革古來築成方圓相圍之法,取宮,街,寺,民一合符契之勢,開今世城建之先法。渤海國上京龍泉府、日本平城、平安京悉效其制。北城為庶民之閭,計百六十。西北為市,曰「長安九市」。