Coolock (Irish: An Chúlóg)[4 1] is one of the baronies of Ireland. It was constituted as part of the old county of Dublin. Today, it covers much of the northern parts of the city of Dublin and the south-eastern part of the modern county of Fingal. At the heart of the barony is the civil parish of the same name - Coolock - which is one of twenty civil parishes in the barony.
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