北京故宮(gong)(gong)擔當過明清兩代的皇家宮(gong)(gong)殿,在舊時被稱(cheng)為“紫(zi)禁(jin)城”,其規模之(zhi)(zhi)大、建筑之(zhi)(zhi)精美(mei)、保存之(zhi)(zhi)完善,都讓其堪稱(cheng)古代宮(gong)(gong)廷建筑之(zhi)(zhi)精華。北京故宮(gong)(gong)以三大殿為中心,有其余大小(xiao)宮(gong)(gong)殿近(jin)70多座,房屋更是有9000余間。