《梁书·列传·卷五十四》
渴盘陁国都城在山谷中，都城四周城墙有十余里长。全国有十二座城。
所治在山谷中，城周回十余里，国有十二城。
The capital of Kepan is located in a valley, and the city wall around the capital is more than ten miles long. There are twelve cities in the country.