Sharjah is the third largest and third most populous city in the United Arab Emirates, forming part of the Dubai-Sharjah-Ajman metropolitan area. The emirate of Sharjah borders with Dubai to the south, Ajman and Umm Al Quwain to the north and Ras Al Khaimah to the east. It is the only emirate that overlooks the coastline on the Persian Gulf to the west and the Gulf of Oman to the East, with the eastern Sharjah coastal towns of Kalba and Khor Fakkan.