It is located on the southeast coast of the Persian Gulf and is the capital of the Emirate of Dubai, one of the seven emirates that make up the country. The city of Dubai is located on the emirate's northern coastline and heads the Dubai-Sharjah-Ajman metropolitan area. Dubai emerged as a global city and business hub of the Middle East. Dubai has a hot desert climate. Tourism is an important part of the Dubai government's strategy to maintain the flow of foreign cash into the emirate. Dubai's lure for tourists is based mainly on shopping.