Linked from
The 10 pages that link to Gulf of Tonkin, each with the reason it gives.
GuangxiRelated: Its coastline gives Guangxi access to maritime routes and ports.
Red River DeltaRelated: The rivers of the delta discharge into this gulf.
Gulf of Tonkin incidentNarrower topic: The naval encounters took place in this body of water.
Qiongzhou StraitRelated: The strait opens westward into this gulf.
Hạ Long BayNarrower topic: Hạ Long Bay lies along the Gulf of Tonkin’s northwestern shore.
Red RiverNarrower topic: The Red River reaches the sea through this gulf.
Leizhou PeninsulaRelated: The peninsula’s western coast borders this gulf.
HaiphongRelated: The gulf gives Hải Phòng its maritime outlet and regional sea routes.
Hạ LongNarrower topic: Hạ Long’s coast opens onto this maritime region.