Newcastle normally refers to the city of Newcastle upon Tyne, county seat English of Tyne and Wear, in UK.
Australia
Canada
- Newcastle, in New Brunswick
- Newcastle, in Ontario
Ireland
- Newcastle, in the county of South Dublin
- Newcastle, in the county of South Tipperary
- Newcastle, in the county of Wicklow
- Newcastle West, in the county of Limerick
UK
- Newcastle-under-Lyme, in Staffordshire (England)
- Newcastle-on-Clun, in Shropshire (England)
- Newcastle, in the borough of Down (northern Ireland)
- Newcastle upon Tyne
United States of America
- Newcastle, in Maine
- Newcastle, in Nebraska
- Newcastle, in Oklahoma
- Newcastle, in Texas
- Newcastle, in the State of Washington
- Newcastle, in Wyoming
South Africa
New Castle
With detached handwriting it can refer to one of the following locations in the United States of America:
- New Castle, in Colorado
- New Castle, in Delaware
- New Castle, inIndiana
- New Castle, in Kentucky
- New Castle, in New Hampshire
- New Castle, in the State of New York
- New Castle, in Lawrence County, Pennsylvania
- New Castle, in Schuylkill County, Pennsylvania
- New Castle, in Virginia