The earliest known reference to Transylvania appears in a Medieval Latin document of the Kingdom of Hungary in … See more

The first known civilization to inhabit the territory was the Agathyrsi, of the Scythic cultures. From the 4th century BC, Celtic La Tène culture came to domination. The indigenous Dacian tribes engaged in politics from the 1s… See more

The Transylvanian Plateau, 300 to 500 metres (980–1,640 feet) high, is drained by the Mureș, Someș, Criș, and Olt rivers, as well as other tributaries of the Danube. This core of historical Transylvania roughly correspond… See more

The area of the historical Voivodeship is 55,146 km (21,292 sq mi).
The regions granted to Romania in 1920 covered 23 counties including nearly 102,200 km (39,460 sq mi) … See more

Cluj-Napoca, commonly known as Cluj, is the second most populous city in Romania (as of the 2021 census), after the national capital Bucharest, and is the seat of Cluj County. From 1790 to 1848 and from 1861 to 1867, it … See more

Official censuses with information on Transylvania's population have been conducted since the 18th century. On May 1, 1784 the Emperor Joseph II called for the first official census of the Habsburg Empire, including Tr… See more

Transylvania is rich in mineral resources, notably lignite, iron, lead, manganese, gold, copper, natural gas, salt, and sulfur.
Transylvania's GDP (nominal) is $194 billion and its GDP per capita measures around $28… See more