Original sentence: Londonderry () often called the Maiden City, is a city in Northern Ireland.Londonderry and the nearby town of Letterkenny form the major economic core of northwest Ireland/Northern Ireland.Londonderry is the only remaining completely walled city in Ireland and one of the finest examples of a walled city in Europe.The Greater Londonderry area, that area within about  of the city, has a population of 237,000 and comprises the Londonderry City Council area, the Borough of Limavady, the District of Strabane (excluding the Castlederg area), and parts of North-East Donegal in the Irish Republic, namely Inishowen, Letterkenny, the Finn Valley (which includes Ballybofey/Stranorlar and Lifford) and the Laggan district (which includes Raphoe and St.The city of Londonderry is situated close to the border with County Donegal in the Republic of Ireland.The person traditionally seen as the 'founder' of the original Londonderry is St
Edited sentence: Derry and the nearby town of Letterkenny form the major economic core of northwest Ireland.Derry is the only remaining completely walled city in Ireland and one of the finest examples of a walled city in Europe.Derry or Londonderry () often called the Maiden City, is a city in Northern Ireland.The Greater Derry area, that area within about  of the city, has a population of 237,000 and comprises the Derry City Council area, the Borough of Limavady, the District of Strabane (excluding the Castlederg area), and parts of North-East Donegal in the Irish Republic, namely Inishowen, Letterkenny, the Finn Valley (which includes Ballybofey/Stranorlar and Lifford) and the Laggan district (which includes Raphoe and St.The city of Derry is situated close to the border with County Donegal in the Republic of Ireland.The person traditionally seen as the 'founder' of the original Derry is St