《明史·列传·卷六十二》
黄河以西，自庄浪至肃州南山，是外番人阿吉等二十九族人所居之处。
黄河以西，自庄浪抵肃州南山，其外番人阿吉等二十九族所居也。
To the west of the Yellow River, the area from Zhuanglang to south of Mount Susuzhou was the place where twenty-nine tribes of the Agi, etc. lived.
<s>[INST] Kindly elucidate the central themes in this passage in English: 黄河以西，自庄浪抵肃州南山，其外番人阿吉等二十九族所居也。 [/INST] To the west of the Yellow River, the area from Zhuanglang to south of Mount Susuzhou was the place where twenty-nine tribes of the Agi, etc. lived.</s>
Kindly elucidate the central themes in this passage in English: 黄河以西，自庄浪抵肃州南山，其外番人阿吉等二十九族所居也。
user
To the west of the Yellow River, the area from Zhuanglang to south of Mount Susuzhou was the place where twenty-nine tribes of the Agi, etc. lived.
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