Kolozs County was an administrative county (
comitatus) of the
Kingdom of Hungary
The Kingdom of Hungary was a monarchy in Central Europe that existed for nearly a millennium, from 1000 to 1946 and was a key part of the Habsburg monarchy from 1526-1918. The Principality of Hungary emerged as a Christian kingdom upon the Coro ...
, of the
Eastern Hungarian Kingdom
The Eastern Hungarian Kingdom ( ) is a modern term coined by some historians to designate the realm of John Zápolya and his son John Sigismund Zápolya, who contested the claims of the House of Habsburg to rule the Kingdom of Hungary from 1526 ...
and of the
Principality of Transylvania. Its territory is now in north-western
Romania
Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to ...
(north-western
Transylvania
Transylvania ( or ; ; or ; Transylvanian Saxon dialect, Transylvanian Saxon: ''Siweberjen'') is a List of historical regions of Central Europe, historical and cultural region in Central Europe, encompassing central Romania. To the east and ...
). The capital of the county was Kolozsvár (present-day
Cluj-Napoca
Cluj-Napoca ( ; ), or simply Cluj ( , ), is a city in northwestern Romania. It is the second-most populous city in the country and the seat of Cluj County. Geographically, it is roughly equidistant from Bucharest (), Budapest () and Belgrade ( ...
).
Geography
After 1876, Kolozs County shared borders with the Hungarian counties
Bihar
Bihar ( ) is a states and union territories of India, state in Eastern India. It is the list of states and union territories of India by population, second largest state by population, the List of states and union territories of India by are ...
,
Szilágy,
Szolnok-Doboka,
Beszterce-Naszód,
Maros-Torda, and
Torda-Aranyos
Torda-Aranyos was an administrative county ( comitatus) of the Kingdom of Hungary. Its territory is now in central Romania (central Transylvania). The capital of the county was Torda (present-day Turda).
Geography
Torda-Aranyos county shared b ...
. The rivers
Crișul Repede and
Someșul Mic
The Someșul Mic (''Little Someș'', Hungarian language, Hungarian: ''Kis-Szamos'') is a river in north-western Romania (Cluj County). At its confluence with the Someșul Mare in Mica, Cluj, Mica, the Someș is formed. Its total length is , and ...
flowed through the county. Its area was in 1910.
History
Kolozs County was formed in the 11th century. In 1876, when the administrative structure of
Transylvania
Transylvania ( or ; ; or ; Transylvanian Saxon dialect, Transylvanian Saxon: ''Siweberjen'') is a List of historical regions of Central Europe, historical and cultural region in Central Europe, encompassing central Romania. To the east and ...
was changed, the territory of Kolozs was modified and some villages of
Doboka County (which was then disbanded) were annexed to it. In 1920, by the
Treaty of Trianon
The Treaty of Trianon (; ; ; ), often referred to in Hungary as the Peace Dictate of Trianon or Dictate of Trianon, was prepared at the Paris Peace Conference (1919–1920), Paris Peace Conference. It was signed on the one side by Hungary ...
, the county became part of Romania. Following the
Second Vienna Award
The Second Vienna Award was the second of two territorial disputes that were arbitrated by Nazi Germany and the Kingdom of Italy. On 30 August 1940, they assigned the territory of Northern Transylvania, including all of Maramureș and part of Cri ...
, large part of it was retaken by Hungary in 1940 and the county was recreated; however, after
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
it became part of Romania again. Most of the territory of the county lies in the present Romanian county
Cluj
Cluj-Napoca ( ; ), or simply Cluj ( , ), is a city in northwestern Romania. It is the second-most populous city in the country and the seat of Cluj County. Geographically, it is roughly equidistant from Bucharest (), Budapest () and Belgrade ( ...
, some parts of the county are in the present Romanian counties
Sălaj (north-west),
Bistrița-Năsăud (north-east), and
Mureș (south-east).
Demographics
Subdivisions

In the early 20th century, the subdivisions of Kolozs County were:
Notes
References
{{HUCountiesto1918
Counties of the Kingdom of Hungary in Transylvania
States and territories disestablished in 1920
States and territories established in 1940
States and territories disestablished in 1945
History of Cluj-Napoca