Conversation so far:
What is the Mekong Delta?
The Mekong Delta is the region in southwestern Vietnam where the Mekong River approaches and empties into the sea through a network of distributaries.
What did the Khmer Krom do at the Mekong Delta?
In the 17th century a weakened Khmer state left the Mekong Delta poorly administered after repeated warfare with Siam.
When did Vietnam absorb provinces?
By 1757 the Vietnamese had absorbed the provinces of Psar Dèk on the Mekong Delta.

Question: Were the any other provinces?
Self-contained rewrite: Were there other provinces Vietnam absored besides the Psar Dek?