Yes pirates exist and still their pirates in our days.
Many pirates were from Spain and U.K.
They use to attack mostly in the Atlantic Ocean, in the zone were the island are, Bahamas, Cuba, Jamaica, mostly the Antilles, and some Atlantic ( and Pacific also) for example Morgan destroy Panama City, through the Pacific.
Pirates usually ambushed ships carrying passengers and cargo in the dim light of dawn and dusk when the pirates' ship was hard to see. They often determined a ship's nationality first. Then they raised that country's flag on the pirate ship so they appeared to be friendly. Now able to draw close to the unsuspecting ship.
Blackbeard was a very famous British pirate also Henry Morgan. Still in some places near Filipinas, Antilles and low population cost in South America, pirates attack. They are robbers that use boats.