UNESCO World Heritage Sites are places of natural beauty and historical significance that are chosen by the United Nations Educational, Scientific, and Cultural Organization (UNESCO) for their outstanding universal value. Currently, there are 1,054 World Heritage Sites in 167 countries, and more are being added all the time. Among those 1,054 sites, 897 cultural, 218 natural, and 39 mixed properties. Let's get to know details about world heritage sites in Ukraine. What are the Seven UNESCO World Heritage sites in Ukraine? Ukraine has seven UNESCO World Heritage Sites. These are treasures of world culture and history and include ancient monasteries, fortresses, and natural wonders.  Kyiv: Saint-Sophia Cathedral and Related Monastic Buildings, Kyiv Pechersk Lavra Constructed in the 11th century, St. Sophia Cathedral is a superlative example of Byzantine architecture and one of Ukraine's most recognized landmarks. It was declared a UNESCO World Heritage Site in 1990 for being an outstanding architectural masterpiece that profoundly marked the history and culture not only of Kyiv but substantially transformed Ukraine. The cathedral is located in the midst of a complex of monastic buildings constructed in the 17th and 18th centuries in Ukrainian Baroque style. Read Top 10 Historical Mosques in Bangladesh The Kyiv Pechersk Lavra is a world-renowned monastic ensemble that has been in operation since the 11th century. Throughout its history, the lavra has undergone many changes and continued to grow in size and stature. Today, it is a major tourist attraction in Kyiv and remains an important spiritual center for Eastern Orthodox Christians. The Church of the Saviour at Berestove, adjacent to the Lavra, was added to the site in 2005 as part of an effort to restore and preserve cultural heritage sites. Lviv – the Ensemble of the Historic Centre Lviv, one of the most beautiful and historically significant cities in Europe, is located in western Ukraine. Lviv's architecture and urban planning are based on a unique mixture of Gothic, Renaissance, and Baroque styles. The Historic Centre of Lviv, a UNESCO World Heritage Site, is one of the best-preserved medieval city centers in Europe.