Oiartzualdea
# Oiartzualdea

Oiartzualdea in Basque (Oarsoaldea in Spanish) is a subcomarca of Donostialdea in Gipuzkoa, formed by four municipalities, Errenteria being the main town.

## Municipalities

| Basque Name (Official) | Spanish Name | Population 2001 Census | Population 2011 Census | Population 2018 Estimate |
| - | - | - | - | - |
| Errenteria | Rentería | 38,224 | 39,228 | 39,355 |
| Lezo | | 5,834 | 6,011 | 6,045 |
| Oiartzun | Oyarzun | 9,179 | 10,012 | 10,276 |
| Pasaia | Pasajes | 15,962 | 15,727 | 16,128 |
| Totals | | 69,199 | 70,978 | 71,804 |
