Taiwan, officially the Republic of China (ROC), is a country in East Asia.

Is Taiwan and ROC the same thing?

Taiwan, Penghu, Kinmen, Matsu, and some other minor islands effectively make up the jurisdiction of the state with the official name of the Republic of China (ROC), commonly known as "Taiwan". ... The Communists established new government on the mainland as People's Republic of China (PRC) in October 1949.

What does ROC mean in Taiwan?

It was observed in Chapter 4, The State and Governments of China, that the Republic of China (ROC) was not a State before it moved its seat to the island of Taiwan, but was a government of the State of China.