Kingswood
From A Wiki of Ice and Fire
The Kingswood is a large forest that lies across the Blackwater Rush from King's Landing.
Recent Events
A Clash of Kings
Tyrion Lannister sent the mountain clansmen who had accompanied him to King's Landing to the Kingswood in preparation for Stannis Baratheon's imminent arrival. There they were to prey on his baggage train and harry his flanks.