| Official Name: | Santa Eulària des Riu |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Region |
| Subdivision Name1: | Balearic Islands |
| Leader Title: | Mayor |
| Leader Name: | Carmen Ferrer Torres |
| Unit Pref: | Imperial |
| Population As Of: | 2010 |
| Population Total: | 32,637 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Coordinates: | 38.9847°N 1.5334°W |
| Leader Party: | PP |
Santa Eulària des Riu (in Catalan; Valencian pronounced as /ˈsantə əwˈlaɾiə ðəz ˈriw/, Spanish; Castilian: Santa Eulalia del Río) is a municipality on the eastern coast of Ibiza.[1] The total number of inhabitants in the municipality (2010) is 32,637.
The current Mayor of Santa Eulària des Riu is Carmen Ferrer Tur (Partit Popular (Espanya)) (2023)
Santa Eulària des Riu is divided into 5 villages. (Parishes, locally)
| Town/village | Population (2006) | |
|---|---|---|
| Es Canar | 1.680 | |
| Jesús | 4,499 | |
| Puig d'en Valls | 3,613 | |
| Sant Carles de Peralta | 3,195 | |
| Santa Eulària des Riu | 13,737 | |
| Santa Gertrudis de Fruitera | 1,680 |