Orduna ( Basque : Urduna ) is a toun an municipality o 4,057 inhabitants locatit in the province o Biscay , in the autonomous commonty o Basque Kintra , in the north o Spain .

It is locatit in a plain in the heichest pairt o the Nervion river valley, at the fuit o the Sierra Salbada muntains. The municipality is a exclave o Biscay, locatit atween Alava an Burgos provinces.

Orduna is the feenal station o the commuter rail line C-3 that links the toun wi Bilbao .

Freemit airtins [ eedit | eedit soorce ]

• http://www.orduna.org : Local (in Spaingie)
• ORDUNA in the Bernardo Estornes Lasa - Aunamendi Encyclopedia (Euskomedia Fundazioa) (in Spaingie)
• Apuntaciones historicas de la Ciudad de Orduna. Jose Antonio de Armona y Murga, 1789 ^{[ deid airtin ]} (in Spaingie)

Coordinates : 42°59.63′N 3°0.37′W  /  42.99383°N 3.00617°W  / 42.99383; -3.00617

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