Japan
No, Manila is the capital of the Philippines; an island nation in the South China Sea, southeast of the continent of Asia.
There is Taiwan island, a bit higher than 23N latitude, but now it is not a nation. Taiwan is territory of China.
Shanghai, China is located in southeast China.
The island of Taiwan (Formosa) is located due north of the Philippians. It is located ~100 miles off the southeast coast of China.
Taiwan is an island southeast of China. It formerly was known as Formosa.
China
The Socialist Republic of Vietnam is the easternmost country on the Indochina Peninsula in southeast Asia, and it is the 13th most populous nation in the world.
In China, southeast of Beijing
The Government of Nationalist China is located on Taiwan the island.
Japan
formosa