query: Where is Transylvania?
passage: Transylvania
Transylvania is a historical region which today is located in central Romania. Bound on the east and south by its natural borders, the Carpathian mountain range, historical Transylvania extended westward to the Apuseni Mountains. The term sometimes encompasses not only Transylvania proper, but also parts of the historical regions of Crișana and Maramureș, and occasionally the Romanian part of Banat.
passage: Transylvania
Transylvania is rich in mineral resources, notably lignite, iron, lead, manganese, gold, copper, natural gas, salt, and sulfur.