Buncrana is a town in County Donegal, Ireland. It is beside Lough Swilly on the Inishowen peninsula, 23 kilometres (14 mi) northwest of Derry and 43 kilometres (27 mi) north of Letterkenny. In the 2022 census, the population was 6,971, making it the second most populous town in County Donegal, after Letterkenny, and the largest in Inishowen.

County Donegal is a county of Ireland in the province of Ulster and in the Northern and Western Region. It is named after the town of Donegal in the south of the county. It has also been known as County Tyrconnell or Tirconaill, after the historic territory. Donegal County Council is the local council and Lifford is the county town.