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Many petty kings once ruled in the westerlands, some founded by the First Men such as the Brooms, Farmans, Footes, Greenfields, Hawthornes, Morelands, Plumms, and Reynes. Lannisport has one of the best trained city watches, strong walls and defenses, a wide harbor and is the busiest port on the western seas, attracting trade from major cities around the world because of it trade in gold, silver, and precious metals from the mines of the westerlands. He founded House Lannister and a prosperous city grew in the shadow of the massive castle. It is named for Lann the Clever, who in the Age of Heroes tricked House Casterly and took their ancient fortress of Casterly Rock. Lannisport is the largest city in the Westerlands, and the third largest on the continent.
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The Westerlands as a whole could raise around fifty thousand troops, fifty or sixty large ships, and longships for coastal defense, with the majority in service of the city of Lannisport or House Lannister. The two regions have a sordid history of warfare, and houses such as Feastfires, Banefort, Kayce, and Faircastle have historically strong military and naval forces. To the west is the Sunset Sea and the coast is dotted with watchtowers, holdfasts, and castles designed to withstand invasions from the Iron Islands. These strongholds often protect flourishing towns such as Oxcross or Hawthorne, smaller villages, and farms nearby, which trade along the rivers and roads leading into the riverlands and the Reach. These valleys are controlled by ancient houses, some dating back to the First Men of the Andal Invasion, such as Deep Den, Hornvale, Ashemark, Cornfield, and Sarsfield.
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Between the rugged, tree covered ridges are broad and fertile valleys, lush with forests and spring fed rivers. Other mines include Nunn's Deep, the Pendric Hills, Golden Tooth, and Silverhill. In some cases, the mines and castles were interwoven, such as Casterly Rock and Castamere and the abundance of minerals has made these few prominent houses very wealthy, most notably the Lannisters of Casterly Rock. The Westerlands are considered the richest region of Westeros because of their deep mines filled with gold, silver, and other minerals in large quantities.
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