The ironclad Zaragoza was a Royal Spanish Navy (Armada Real) wooden-hulled armored frigate completed in 1868.

[2] The engines were rated at a total of 800 nominal horsepower or 3,000 indicated horsepower (2,200 kW) and gave Zaragosa a speed of 12.5 knots (23.2 km/h; 14.4 mph)[1] The ironclad carried a maximum of 690 metric tons (679 long tons) of coal.

[3] She was fitted with a three-masted ship rig with a sail area of around 1,800–1,900 square meters (19,000–20,000 sq ft).

[5] Zaragosa had a complete wrought iron waterline belt that ranged in thickness from 102 to 130 millimeters (4.0 to 5.1 in).

[2][6] Zaragoza was laid down by Arsenales de la Armada in Cartagena, on 4 October 1861.