Doha, Arabic Al-Dawḥah, city, capital of Qatar, located on the east coast of the Qatar Peninsula in the Persian Gulf. More than two-fifths of Qatar’s population lives within the city’s limits. Situated on a shallow bay indented about 3 miles (5 km), Doha has long been a locally important port. Because of offshore coral reefs and shallow waters, it handled only small vessels until the completion of its deepwater port in the 1970s… angkor.com.kh