Treatise on Military Preparation: Coastal Defense of Zhejiang

Dinghai Guard Dinghai Wei Located at the mouth of the Yong River in modern-day Zhenhai, Ningbo. This was a crucial gateway for maritime trade and defense. The name "Dinghai" translates to "Stabilizing the Seas."

Dasong Battalion Dasong Suo

Kuoju Battalion Kuoju Suo original: 霩𩇐所. This battalion was situated in a rugged coastal area of Ningbo; the name "Kuoju" refers to the local geography.

Chuanshan Rear Battalion Chuanshan Hou Suo

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Zhoushan Central-Center Battalion Zhoushan Zhongzhong Suo The Zhoushan archipelago was the front line against piracy. These "Central" designations indicate specific administrative divisions within the island's defense cluster.

Zhoushan Central-Left Battalion Zhoushan Zhongzuo Suo

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Guanhai Guard Guanhai Wei Located in modern-day Cixi. Its name means "Watching the Sea," reflecting its role as an observation post against incoming pirate fleets.

Longshan Battalion Longshan Suo

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Linshan Guard Linshan Wei Situated near Yuyao. "Linshan" means "Overlooking the Mountains."

Sanshan Battalion Sanshan Suo

Lihai Battalion Lihai Suo The name "Lihai" literally means "Dripping Sea," likely referring to the salt pans or the tidal nature of the local coastline.

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Shaoxing Guard Shaoxing Wei Shaoxing was a major administrative and economic hub; this Guard served as the primary military authority for the prefecture's defense.

Sanjiang Battalion Sanjiang Suo Located at the "Three Rivers" (Sanjiang) estuary, a vital choke point for waterborne traffic leading into the heart of Shaoxing.