It is bordered by the Taiwan Strait on the west and Zaoqiao Township on the east.

This written form was retained after the Kuomintang takeover of Taiwan in 1945; the characters are pronounced Hòulóng in Mandarin Chinese.

The Taiwanese Hokkien pronunciation remains Āu-lâng, based on the pre-1920 name.

The township comprises 23 villages: Beilong, Dashan, Dazhuang, Dongming, Fengfu, Funing, Fuxing, Haibao, Haipu, Jiaoyi, Longjin, Longkeng, Nangang, Nanlong, Puding, Shuiwei, Waipu, Wanbao, Xinmin, Xiushui, Xizhou, Zhonghe and Zhonglong.

The township is part of Miaoli County Constituency I electoral district for Legislative Yuan.