Castelvecchio di Rocca Barbena borders the following municipalities: Balestrino, Bardineto, Erli, Garessio, Toirano, and Zuccarello.
Located in the Val Neva, the territory of Cisano sul Neva borders those of the municipalities of Albenga, Arnasco, Balestrino, Ceriale and Zuccarello.