The Port of Ibben is featured in the book 'Beyond Westeros', detailing the locations in the world of 'Game of Thrones', that are briefly mentioned in the HBO series.
"The Port of Ibben is the main city on Ib and is the largest city of Ibben. It is located on the southern coast of Ib. The city is grey and gloomy and has ruled over Ib and the lesser isles since the Dawn Age. It is a city of cobbled alleys, steep hills, and teeming docks and shipyards, lit by whale-oil lamps suspended on iron chains. The main structure in the city are the ruins of the God-King's castle. Beyond the Port of Ibben foreigners are only allowed with an Ibbenese host."
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