Acounty seat is the location of acountygovernment, and is usually the largest, oldest, or most central town or city within a county. In theUnited Kingdom andIreland, the namecounty town is used rather than county seat.
In theU.S. state ofLouisiana, counties are calledparishes and haveparish seats rather than county seats; while inAlaska, counties are calledboroughs and haveborough seats.