The 1978 Monte Carlo Open was a men's tennis tournament played on outdoor clay courts at the Monte Carlo Country Club in Monte Carlo, Monaco that was part of the 1978 Colgate-Palmolive Grand Prix circuit.
The 1978 Monte Carlo Open was a men's tennis tournament. These men's tennis tournament were played on outdoor clay courts at the Monte Carlo Country Club in Monte Carlo. Monte Carlo was Monaco. This Monaco was part of the 1978 Colgate-Palmolive Grand Prix circuit.