Romanian is the most widely spoken language, spoken as a main language by 76.6% of the inhabitants of the region. The other important languages is Hungarian, spoken by 19.9% of the population as a main language. Religion is mainly based on ethnic groups, with the largest religion being Romanian Orthodoxy, observed by 68.38% of the population, mostly ethnic Romanians. Other important religions are the Reformed Church (12.70%), Roman Catholicism (6.86%) and Greek Catholicism (4.20%).