A barony is within a county or duchy. I suppose it would be possible for a barony not to be so, but I have never heard of it.
Barony of Sax-Misox ended in 1799.
There are many possible subdivisions of a kingdom. A duchy would be ruled by a duke, and is typically the largest. A march or mark would be ruled by a marquess/marquis/markgraf, and is typically located on the border of the kingdom. A county is ruled by a count, and a barony by a baron.
Duchy of Savoy ended in 1713.
United Baltic Duchy ended in 1918.
A duchy is the jurisdiction of a Duke. You'd have to check out the specific duchy for more detailed information. A good place to start is the British Royalty website.
No, barony is the rank and estates of a baron.
Barony of Sax was created in 1168.
Barony of Sax ended in 1633.
Barony of Caux was created in 2001.
Barony of Sax-Misox ended in 1799.
There are many possible subdivisions of a kingdom. A duchy would be ruled by a duke, and is typically the largest. A march or mark would be ruled by a marquess/marquis/markgraf, and is typically located on the border of the kingdom. A county is ruled by a count, and a barony by a baron.
A duchy
A burgh of barony is a burgh in Scotland, distinct from royal burghs in being granted to an landowner, who, as a tenant-in-chief, held his estates directly from the crown.
Vulgaria
Duchy of Racibórz was created in 1172.
Duchy of Silesia ended in 1918.
Duchy of Westphalia was created in 1180.