There is a sizable community of Americans living in Saudi Arabia. Most work "in the lucrative oil industry, but many also work in the construction and financial sectors". Westerners including Americans move here for "tax-free salaries" and "live in housing compounds with luxurious amenities, such as swimming pools and tennis courts" which are "sealed off from surrounding neighborhoods by high walls and gates" which give Americans "some security and privacy from the country's strict Islamic code on matters of dress and social mixing" The largest American communities are in Riyadh, the "headquarters of most multinational corporations in the kingdom and in the Red Sea port city of Jiddah, a major commercial center but there are smaller "American communities in the eastern cities of Dammam, Kh