[2] It is bordered by two other baronies in Northern Ireland: Tirkeeran to the east, across Lough Foyle, and Strabane Lower to the south.

[3] The boundaries of the North West Liberties of Londonderry consist of all parts of County Londonderry on the west bank of the River Foyle that is not a part of the City of Derry, and it borders County Donegal in the Republic of Ireland.

[6] The North West Liberties of Londonderry were established by The Honourable The Irish Society when they invested money to rebuild and expand the ruined town and monastic settlement of Derry, which had been destroyed in 1608, and enjoyed heavy influence over how the North West Liberties were run.

[7] There was originally doubt as to whether the freeholders of the North West Liberties of Londonderry were to be considered a separate barony from the City of Derry for election purposes.

[8] The North West Liberties joined with the newly rebuilt and renamed City of Londonderry (also known as the City of Derry) in establishing a unified Town Watch in 1829, in an agreement that would eventually evolve to become the Londonderry Borough Police.