Sânmartin () is a commune in Bihor County, CriÃÂana, Romania with a population of 12,448 people as of 2021. It is the site of two spas, and BÃÂile Felix.
The commune is composed of six villages: Betfia (Betfia), Cihei (Váradcsehi), CordÃÂu (Kardó), Haieu (Hájó), RontÃÂu (Rontó), and Sânmartin.
RontÃÂu is a small village belonging to Sânmartin commune. The village is located close to the city of Oradea, the county seat. The village is usually considered to be part of Oradea, even though it is not a quarter or district of the urban proper, but is rather administered as part of the Sânmartin commune.
RontÃÂu is about halfway between Oradea and BÃÂile Felix. The village is accessible by train from Oradea and BÃÂile Felix. It is also accessible by selected bus services from the above-mentioned places.