Italy
Common
- Castelvecchio Calvisio, municipality in the province ofthe Eagle
- Castelvecchio di Rocca Barbena, municipality in the province of Savona
- Castelvecchio Subequo, municipality in the province of L'Aquila
Fractions
- Castelvecchio, part of the municipality of Monte Porzio, in the province of Pesaro is Urbino
- Castelvecchio, part of the municipality of Pescia, one of the ten castellas of the Switzerland Pesciatina
- Castelvecchio, part of the municipality of Preci in province of Perugia
- Castelvecchio, part of the municipality of Valdagno, in the province of Vicenza
- Castelvecchio, part of the municipality of Tagliacozzo in the province ofthe Eagle
- Castelvecchio Pascoli, part of the municipality of Barga in the province of Lucca
Croatia
- Castelvecchio, hamlet between Trogir is Split, in CroatianKaštel Sućurac in the municipality of Castles
Other
- Castelvecchio, a protected natural area in the province of Siena