Gloucestershire borders:
Six counties border Gloucestershire with Gwent in Wales as a seventh
The counties are: Hereford, Worcester, Warwick, Oxford, Wiltshire and Somerset with Gwent in Wales
Wiltshire, Oxfordshire, Herefordshire, Somerset,
The 4 counties that border Somerset are Bristol, Gloucestershire, Wiltshire, and Dorset.
Gloucestershire, Herefordshire, Shropshire and Cheshire
The counties surrounding Oxfordshire are (clockwise from one o'clock): Northamptonshire, Buckinghamshire, Berkshire, Wiltshire, Gloucestershire, and Warwickshire.
On the English side: Cheshire, Shropshire, Herefordshire & Gloucestershire. On the Welsh side: Clwyd, Powis, Mid Glamorgan & Gwent.
Devon, Dorset, Wiltshire and Gloucestershire.
Wiltshire shares borders with Gloucestershire, Oxfordshire, Berkshire, Hampshire, Dorset and Somerset.
Gloucestershire does not have a border with Berkshire
The counties surrounding Oxfordshire are (clockwise from one o'clock): Northamptonshire, Buckinghamshire, Berkshire, Wiltshire, Gloucestershire, and Warwickshire.
Somerset is a county in England, bordered by Devon, Dorset, Wiltshire and Gloucestershire.
Derbyshire is bordered by six counties: Cheshire, Greater Manchester, South Yorkshire, West Yorkshire, Nottinghamshire, and Leicestershire.
The United States is bordered by 2 countries: Canada to the north and Mexico to the south.
There are two counties that border Lake Cumberland in Kentucky.