Well as i think..There is no speciality that makes hotels particular to city instead their existence in particular city makes them particular hotel so called city hotel. Like in world of web Oberoi...
A city hotel is used by city-travellers or by business-people. Average stay - approx. 1.3 days. Facilities are up to guest expectations and competition.
A resort is to be managed completely green...
Because the letter "h" is not a vowel sound. But there are exemptions to the rule. If it is pronounced in vowel sound like for an example, "hour", an is should be used.