《汉书·志·地理志下》
繁峙县，王莽时叫当要县。
繁畤，莽曰当要。
Fanshi County, which was called Dangyao County during Wang Mang's reign.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 繁畤，莽曰当要。 [/INST] Fanshi County, which was called Dangyao County during Wang Mang's reign.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 繁畤，莽曰当要。
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Fanshi County, which was called Dangyao County during Wang Mang's reign.
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