Castle of Monterrey - Credit: Wikimedia Commons
The Castle of Monterrey is a 15th-century castle at Monterrei, in Ourense, Galicia. It is located at what was then a strategic point on the frontier between the kingdoms of Galicia and Portugal.. "Castillo de Monterrey". Universidade da Coruna. Retrieved 9 June 2023. Read more on Wikipedia
Source: en.wikipedia.org