This coat of arms is on a wall of Castro fortressm
"In a light blue field, a castle with a square base finished in a crenellated tower, all in gold, a door with a semicircular arch lowers in the door, two square windows in the middle section and two embrasures, also square in the turret. On the left side of the castle there is a sinople olive tree with a brown trunk. All on an island on a sea of six wavy stripes of navy blue.
A border of gules separated by a small white ribbon.
At the bell, a closed royal crown of gold. But in this coat is opened because if before the Borbon Monarchs
A silver badge and as the motto “Faithful, Loyal, Courageous and Always Beneficial Cidade de Vigo” (“Faithful, loyal, courageous and always beneficial City of Vigo”), in black."
(
visit link)