The beautiful Black Sea coast is one of the most pleasant for a holiday. All Iberostar hotels are located either on Golden Sands or Sunny Beach in easily accessible seaside resorts that provide a wide range of sports opportunities and entertainment. Good enough reasons to explore the Bulgarian Riviera. Here is our first excursion tip: The antique city of Nessebar, which is very well preserved, lies on a small peninsula that juts into the sea.