The Kingdom of the Iron Throne is one of the two Westerosi kingdoms that was formed as a result of the War of the Seven Kings. It is ruled by House Baratheon of King's Landing, descendants of Renly Baratheon and Margaery Tyrell. The kingdom encompass The Crownlands, The Reach, The Stormlands, The Westerlands, and Dorne.
The Kingdom of the Iron Throne also formerly encompassed The North, The Vale, The Iron Islands and The Riverlands, and has also claimed dominion over The Stepstones several times.