The staring point of the trek was the Rezovo River, which serves as border between Turkey and Bulgaria and therefore is the most southern point on the Bulgarian Black Sea coast. The village with the matching name Rezovo happen that is small and pretty pleasant place by the look of it.
From there after a bit of walking there are interesting rock formations called Kastrich, after that was something that really surprised me big fence with barbed wire and cameras patrolled by armed police and soldiers which were on high alert because of illegal immigrants trying to enter the country from Turkey, so in fact the passage along the coast is closed and one must got to the main road, which is couple of kilometres away and cross there.
After that there is the very famous beach called Silistar, which is a natural reserve and I guess it used to be place were animals and plants can live without being destroyed, but I use past tense, because it looks now kind of the opposite thing, way too many cars and peo