Bardarbunga is a large stratovolcano located in central Iceland. It is part of the Vatnajökull National Park and is known for its impressive caldera, which is about 10 kilometers wide. The volcano is one of the most active in Iceland, with significant eruptions recorded throughout history, including a major eruption in 2014-2015 that produced extensive lava flows. The surrounding area features a diverse landscape, including glaciers, geothermal activity, and unique geological formations. Bardarbunga is also a popular destination for hikers and researchers interested in studying volcanic activity and the effects of climate change on glaciers.