(δ μέγας κόλπος
, Ptol. 7.2
. §§ 3, 5; Agathem. i. p. 53), the great gulf which runs up to the middle of the present kingdom of Ava, and is known by the name of the Gulf of Siam.
The ancient geographers correctly placed China
on the east of this gulf, though they had no very accurate notions relative to its latitude or longitude. On the west side was the Aurea Chersonesus.