Grandvaux is a former municipality in the Swiss canton of Vaud, located in the district of Lavaux-Oron. The municipalities of Cully, Epesses, Grandvaux, Riex and Villette (Lavaux) merged on 1 July 2011 into the new municipality of Bourg-en-Lavaux.

Cully is a former municipality in the Swiss canton of Vaud. It was the capital of the district of Lavaux until 2006 when it became part of the district of Lavaux-Oron. It lies on Lake Geneva.