Blackwater

Location

Blackwater bay is located to the East of Kings landing. Blackwater bay is an inlet of the Narrow sea and connected to kings landing as well as the fortress of Dragonstone. Ships of the royal fleet patrol the waters to keep the bay empty of pirates.

A Clash of Kings
Blackwater bay was the location of the Battle of Blackwater in which Stannis Baratheon used his fleet to attempt to take Kings landing from the mud gate. Tyrrion Lannister used the idea of wildfire to decimate the larger part of Stannis's fleet. Stannis still escaped with his life and a small portion of his fleet. Many people were knighted after the battle such as Ser Bronn of Blackwater for his courage throughout the battle.