The Bulgarian resort town of Primorsko is experiencing a significant surge in tourist interest, largely due to its sea waters being among the cleanest not only in Bulgaria but across Europe. Tour operators have reported an unprecedented number of inquiries from international visitors eager to see Maslen Nos, a nearby natural landmark celebrated for its pristine water quality. This has earned Primorsko the nickname "The Bulgarian Copacabana," reflecting its growing status as a must-visit seaside