At its high point，the country reached as far as Siberia (now of Russia)in the North Korea in the east and Vietnam in the south.
At its high point，the country reached as far as Siberia (now of Russia)in the North Korea in the east and Vietnam in the south.
最鼎盛的时候，唐朝的疆域北至西伯利亚(现属俄罗斯)，东至当时的朝鲜，南到越南。