Which app can I use to book hotels in Jeju Island?

Ctrip. According to the official hotel information released by Ctrip, Ctrip provides you with Jeju Island B&B reservations and price inquiries, covering Jeju Island B&B phone numbers, service facilities, addresses and transportation. Jeju Island is the largest island in South Korea. It is located in the southwestern waters of South Korea, with an area of ??1,845 square kilometers and a population of 668,000. The island has a pleasant climate and is a famous tourist island. There is Jeju City on the north coast.