A historic Spanish castle dating back to the 11th century has just hit the market to the tune of €7.9 million (£6.76 million).The Castillo de Arcos, which overlooks the Guadalete Valley and the province of Cádiz, was first built as a fortress and then turned into a residential palace for the Dukes of Arcos during the 14th century.Built at the edge of a cliff 100m above ground, the castle is made up of 60 rooms, including 12 bedrooms and 10 bathrooms, as well as courtyards and gardens.It also boasts a 25-metre-long library, vaulted ceilings and expansive views from a terrace.The castle is now up for sale for the first time since 1922 through property site Sotheby’s. A Spanish castle – that dates back to the 11th century – is now on sale For €7.9 million (£6.76 million), you could be the lucky owner of the ancient propertyThe listing explains: ‘An old Andalusian alcazar and one of the most unique residential fortresses in southern Spain, the castle has remained inhabited over the centuries. ‘Located next to the Plaza del Cabildo, its walls surround an extraordinary set of courtyards and gardens that provide privacy and serenity in the heart of the historic center. ‘A large landscaped parade ground, dominated by myrtle hedges and towering cypresses, forms the central axis of the property. ‘This is complemented by a second arched patio that enhances the residential character of the complex.’It has been thoughtfully restored over the last century while remaining faithful to the building’s historic character. Spanning 5,300 square metres, the castle is currently owned by the Marquis of Tamarón, Santiago de Mora-Figueroa.It was purchased in 1922 in order to save it from ruin. The expansive building looks out across Cadiz and the Guadalete ValleyWhile the castle is not generally open to the public, rare open days are held four times a year. It has nonetheless been admired from the outside, with delighted visitors raving about the majestic appearance.One wrote on Google Reviews: ‘The location itself is spectacular, but discovering these hidden gems along the way is so captivating that we might even consider moving there. A little further along the path reveals even more enchanting spots. ‘The only downside for visitors is that it’s private property and only open to the public on rare occasions.’Another review added: ‘Absolutely beautiful, just like the whole town.’