Nalda is a municipality of the autonomous community of La Rioja (Spain). It is located near the capital, Logroño. Its population in January 2006 was 1,074 inhabitants over a 24.6 square kilometre area.
The town was the scene of the preliminaries of the famous Battle of Clavijo between Arabs and Christians in year 844. It appears mentioned for the first time in the 11th century, in the relation of properties that the king Don García of Nájera granted to his wife Estefanía.
From the 14th century to the 19th century, Nalda became the head of the Señorío de Cameros. Nearby is the Peña Bajenza rock formation.