Castelló (Valencia) should not be confused with Castelló de la Plana.
| Castelló | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain |
| Pushpin Map Caption: | Location in Spain |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Valencia |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Ribera Alta |
| Subdivision Type4: | Judicial district |
| Subdivision Name4: | Alzira |
| Coordinates: | 39.0778°N -0.5128°W |
| Elevation M: | 30 |
| Area Total Km2: | 20.3 |
| Population Demonym: | Castellonenc, castellonenca |
| Population Density Km2: | auto |
| Blank Name Sec1: | Official language(s) |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 46270 |
| Area Code Type: | Dialing code |
| Leader Title: | Alcalde |
| Leader Name: | Òscar Noguera Alberola |
| Leader Party: | Gent de Castelló i Esquerra–Compromís |
Castelló (Spanish; Castilian: Villanueva de Castellón) is a municipality in the comarca of Ribera Alta in the Valencian Community, Spain. In September 2020, it officially changed its name from Catalan; Valencian: Castelló de la Ribera to its current name.[1]