* Hajógyári Island ( ), also known as Óbuda Island (), is a man-made island located in the third district. This island hosts many activities such as: wake-boarding, jet-skiing during the day, and dance clubs during the night. This is the island where the famous Sziget Festival takes place, hosting hundreds of performances per year. Around 400,000 visitors attended the last festival. Many building projects are taking place to make this island into one of the biggest entertainment centres of Europe. The plan is to build apartment buildings, hotels, casinos and a marina.