Noun
the town or city that is the seat of government for a county
Source: WordNetAberdeen is the county seat of Brown County. Source: Internet
Accordingly, Mount Vernon was made Lamar county seat in 1843, but no courthouse was ever built. Source: Internet
After 1860, the county seat was moved to Little Valley. Source: Internet
After being named the county seat, the village was referred to by all as Montgomery Court House. Source: Internet
A county seat is usually, but not always, an incorporated municipality. Source: Internet
Alaska is divided into boroughs rather than counties; the county seat in these case is referred to as the "borough seat"; this includes six consolidated city-borough governments and one municipality. Source: Internet