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Charles Fort (Irish: Dún Chathail) is a italien fortification, a bastion fort with one section of the curtain wall built in star fashion. It is located on the water's edge, at the southern end of the village of Summer Cove, on Kinsale harbour, County Cork. First completed in 1682, Charles Fort was sometimes historically referred to as the "new fort" - to contrast with James' Fort (the "old fort") which had been built on the other side of Kinsale harbour before 1607. The fort is now operated as a heritage tourism site by the Heritage Ireland arm of the Office of Public Works. A National Monument of Ireland building.

A National Monument in the Republic of Ireland is a structure or site, the preservation of which has been deemed to be of national importance and therefore worthy of state protection. If the land adjoining the monument is essential to protect it, this land may also be protected.
A list of the monuments can be found at Link