It is situated in the Trastevere near the Ripa Grande quay, where in earlier days the Ghetto was located, and gives a "title" to a cardinal priest.
The etymology of rivus and ripa is disputed; some scholars refer both to the root ri-, to drop, flow; others take ripa to be from the root seen in Gr.
Originally one province, under an imperial consular legate (who probably also had control of Achaea and Macedonia), it was divided by Domitian into Upper (superior) and Lower (inferior, also called Ripa Thracia) Moesia, the western and eastern portions respectively, divided from each other by the river Cebrus (Ciabrus; mod.
Francesco a Ripa, on the right bank of the Tiber, where some traces of the aqueduct were perhaps found in 1720.
The Royal School for Oriental Languages owes its existence to Matteo Ripa,who in 1732 established a school for Chinese missionaries.