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Lisnagarvey, the place after which David Trimble's title in the House of Lords is named, is situated in County Antrim, Northern Ireland. It was a significant medieval settlement and a major port during the 14th and 15th centuries. Today, Lisnagarvey is a town and a suburb of Lisburn, located within the Lagan Valley Regional Park. It remains an important historical and cultural center in County Antrim.