1、Walachia is a region in southern Romania with a rich historical and cultural heritage. 瓦拉奇亚是罗马尼亚南部的一个地区，拥有丰富的历史和文化遗产。

2、During the 15th century, Walachia was ruled by Vlad the Impaler, a famously brutal and ruthless prince. 在15世纪期间，瓦拉奇亚由弗拉德·兹卡里亚即著名的残暴无情的亲王统治。