Abu Dhabi Tourism Authority (ADTA) has revealed the number of hotel guests staying in the emirate rose by 12% last month, compared to April 2009. A total of 167,635 guests stayed in the emirate's 110 licensed hotels and hotel apartments accounting for 425,575 guest nights last month. The April results bring Abu Dhabi's hotel guest 2010 tally to date to 622,731 guests, 16% up on the first four months of last year and over 1.68 million guest nights, a 10% year-on-year increase.