Hilton Hotels is studying opportunities on Saadiyat Island as part of its plans to expand in Abu Dhabi, reported The National. 'We are at various stages on different locations in Abu Dhabi,' Elie Younes, the vice president of development for Hilton in the Middle East, told the daily,. 'Some are very advanced, some are initial talks, but we will definitely be announcing something this year, probably in the last quarter.'