Haikou is the largest city on this island, whose indigenous residents are the Li people, speaking the Minnan dialect. It is separated from the mainland's Lizhou Peninsula by its namesake thirty mile wide strait and is the eastern boundary of the Gulf of Tonkin. For 10 points—name this island, the largest under the actual control of the People's Republic of China.
Haikou is the largest city on this island, whose indigenous residents are the Li people, speaking the Minnan dialect. It is separated from the mainland's Lizhou Peninsula by its namesake thirty mile wide strait and is the eastern boundary of the Gulf of Tonkin. For 10 points—name this island, the largest under the actual control of the People's Republic of China.
Haikou is the largest city on this island, whose indigenous residents are the Li people, speaking the Minnan dialect.