The county seat, by Chinese convention often also called Yanshan, is at Hekou town ().
7 Towns (镇, zhen) •
Hekou () •
Yongping () •
Shitang () •
Ehu () •
Hufang () •
Wuyishan () •
Wang'er ()
8 Townships (乡, xiang) •
Chenfang () •
Hongqiao () •
Xintan () •
Gexianshan () •
Jiaxuan () •
Yingjiang () •
Zixi () •
Tianzhushan ()
2 Ethnic Townships (族乡, zu xiang) •
She Taiyuan () •
She Huangbi () ==Climate==