Gibraltar

Gibraltar is a British Overseas Territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean Sea, sharing its northern border with Spain.

History
Captain America and the Howling Commandos planned to travel to a British base on Gibraltar once they destroyed the HYDRA U-Base. However, their plan had to be changed when Captain America decided to help the former staff of the base, who had been transformed into a huge tentacled creature.