caption: Hilton Capital Grand Abu Dhabi Hilton Hotels & Resorts has opened its second hotel in Abu Dhabi following a refurbishment and rebranding programme. The hotel consists of 281 rooms in the heart of the city's new Capital District. It features a 700-capacity ballroom and a separate 500-capacity function room. For leisure pursuits guests can enjoy its spa, complete with 15 treatment rooms, sauna and whirlpool, and an indoor and outdoor pool.