Zhangpu is bordered by the Longhai City in the north, the counties of Pinghe and Yunxiao in the west, and the Taiwan Strait in the south and east.

Besides Sui'an, Zhangpu oversees 16 other towns (镇): The last two (Liu'ao and Gulei) share names with the long peninsulas where they are situated, which project into the Taiwan Strait to form large bays.

In Huxi She Township (湖西畲族乡) there is a fortified compound called Zhaojiabao (赵家堡), where a party of Southern Song royals in flight from the Mongol invaders of the late 13th century are said to have taken up a residence long in term and low in profile.

With the Ming restoration of Han Chinese ethnic supremacy to the empire some ninety years and five generations later, the Zhao family (赵家) revealed their pedigree and the compound received its current name.

[2] Zhangpu Confucian Temple, built in 1070 and reconstructed in 1369, is listed among the sixth batch of "Major National Historical and Cultural Sites in Fujian".

[6] Yanhailou (晏海楼) in Tanzitou Village (潭仔头村, or 昙仔头村), Jiu Town (旧镇) dates from 1585, and the construction of Wanbilou (完璧楼), which is located inside the Zhaojiabao (see above) started in 1600.