Portugal and France
Thirteen counties in New Jersey border the eastern side of the state.
There are two counties that border Lake Cumberland in Kentucky.
Ten counties in Indiana border Ohio.
4
Seven
Belgium, Luxemburg, Germany, Switzerland, Italy, Monaco, Spain, Andorra
Five counties, which are Kilkenny, Kildare, Carlow, Tipperary and Offaly.
France does not have counties, but regions. There are 26 administrative regions (21 in mainland France, 1 which is Corsica + 4 overseas).
It would be most helpful if the state was identified.
There are 5 counties that have a border with Derbyshire.NottinghamshireLeicestershireStaffordshireCheshireYorkshire
Limerick and Cork are the counties that border county Kerry.