Alonissos, the largest and largest marine park in Europe, will be one of the top 50 scuba diving destinations in the world, to the new National Geographic Specialist Travel Guide. will be released in 2020. To this end, the island of Sporades visited from September 17 to 22 journalists journalists on a press trip organized by the Greek National Tourism Organization (EOT) in collaboration with local authorities. all of the region, but also the country in general, will be extended to seven pages of the guide exclusively dedicated to the destination, while the book will be prominent by the well-known oceanographer Dr Sylvia Earle. In addition, until the issue of the final product, a series of travel articles will be published, aiming at promoting both the driver and the more specific destinations. It is noted that the guide will be originally published in English by Random House and will be available for sale in print and digital form through large networks such as Barnes & Noble and Amazon.