Chiesanuova is a minor municipality of San Marino. It has a population of 1,029 inhabitants (conditions 2006) in an area of 5.46 km².
It borders the San Marino municipalities San Marino and Fiorentino and the Italian municipalities Sassofeltrio, Verucchio and San Leo.
The medieval castle of Busignano was situated in this area and in 1320 its inhabitants decided to join San Marino. The name Chiesanuova dates back to the 16th century around the time of rebuilding of the church of S. Giovanni Battista in Curte (which no longer exists).
Chiesanuova has 7 parishes (curazie):
Coordinates: 43°54′16.08″N 12°25′15.06″E / 43.9044667°N 12.4208500°E