Onesti is a city in Romania.
Onesti (pronounced Oneshti) is a small city in the eastern part of Romania. You're likely to pass through it on your way from Brasov to Moldova, and vice versa.
Because it's quite a small town, hitching out won't be a large problem. Be mindful though, that the signs in the western part of town with the direction east will try sending you on the road around town. It's best to ignore these signs, and ask locals for the best hitching spot to hitch further. There's several places where locals act as 'taxis' unofficially, so be clear about not wanting to spend money.