Bidache
| Bidache Bidaxune | |
|---|---|
| The château of Bidache | |
| Location of Bidache | |
| Coordinates: 43°29′03″N 1°08′24″W / 43.4842°N 1.140000°W | |
| Country | France | 
| Region | Nouvelle-Aquitaine | 
| Department | Pyrénées-Atlantiques | 
| Arrondissement | Bayonne | 
| Canton | Pays de Bidache, Amikuze et Ostibarre | 
| Intercommunality | CA Pays Basque | 
| Government | |
| • Mayor (2020–2026) | Jean-François Lasserre | 
| Area 1 | 30.43 km2 (11.75 sq mi) | 
| Population  (2022) | 1,347 | 
| • Density | 44/km2 (110/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 64123 /64520 | 
| Elevation | 0–162 m (0–531 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Bidache (French pronunciation: [bydaʃ]; Occitan: Bidaishe; Basque: Bidaxune) is a town and commune in the Pyrénées-Atlantiques department of south western France. Between 1570 and 1793 it was the centre of the sovereign Principality of Bidache.