You'll probably see Orthodox Cathedral from a distance before you actually find this important religious building. Step inside if the doors are open or just admire the facade from outside.
If you've got time to stop for a while in Târgu Mureș, Orthodox Cathedral is an interesting place to start your exploring. This principal church is one of numerous attractions that'll keep you busy here. Târgu Mureș Citadel, Piata Trandafirilor, and Memorial to Victims of the 1989 Revolution are also waiting for you nearby.