Cork Is in the Republic of Ireland, Not Northern Ireland

There is no town or city named Cork in Northern Ireland. Cork is a major city in the Republic of Ireland, located in the province of Munster on the southern coast.

Cork City (Republic of Ireland)

• Population: ~220,000 (city), ~350,000 (metro) — Ireland's 2nd largest
• Location: River Lee, south coast, 250 km (155 mi) from Dublin
• Status: "Rebel City" (1920s War of Independence); European Capital of Culture 2005
• Key features: English Market, St. Fin Barre's Cathedral, University College Cork, Cork Harbour (2nd largest natural harbor)

County Cork

• Largest Irish county (7,500 km²)
• Includes towns: Cobh, Kinsale, Mallow, Fermoy, Youghal, Bantry, Clonakilty
• Entirely within Republic of Ireland

Northern Ireland's Major Cities

For comparison, Northern Ireland's cities are:

• Belfast (capital, ~345,000)
• Derry/Londonderry (~85,000)
• Lisburn, Newry, Bangor, Armagh (towns with city status)

Why the Confusion?

• "Cork" sounds like it could be a Northern Irish place name
• Similar-sounding NI places: Cookstown (Co. Tyrone), Coalisland, Carrickfergus, Castlederg
• Both jurisdictions share Irish toponymic roots (Gaelic corcach = marsh)

Border Context

• Republic of Ireland: 26 counties, independent EU member
• Northern Ireland: 6 counties, part of UK
• Border: 499 km, open (Common Travel Area), no physical infrastructure
• Cork is ~100 km from nearest border point

If you're looking for Cork, head south to the Republic—not north to Northern Ireland.