Jeju City, South Korea

Volcanic island capital off Korea's south coast

Jeju City is the capital of Jeju Island, a volcanic island south of the Korean mainland. It is served by Jeju International Airport, one of the busiest air routes in the world, and Jeju Harbor with ferry connections.

Jeju was historically an independent island polity known as Tamna before absorption into the Korean state. The island's volcanic landscape, including Hallasan, is UNESCO-listed, and its distinctive haenyeo women divers remain part of local culture.

Frequently asked — Jeju City

When is the best time to visit Jeju City?

Best Apr–May & Sep–Oct · Cold Dec–Feb — this reflects South Korea's seasonal weather and crowds.

Do I need a visa to visit South Korea?

Visa-free (90 days, 100+ passport countries). Entry rules depend on your nationality and change often — always confirm with the official South Korea government or embassy before you travel.

What currency is used in Jeju City?

South Korean Won (KRW). You can convert USD to the live local rate right on this page.

What language do people speak in Jeju City?

Korean is the primary language in South Korea.

What is the emergency number in South Korea?

Dial 119 for emergencies in South Korea.

Can you drink the tap water in Jeju City?

Tap water here is generally rated "Tap safe". When unsure, choose sealed bottled or filtered water.

What power plug type does South Korea use?

Type C/F. Bring a compatible adapter — you can build a full packing list for Jeju City on this page.

Is Jeju City safe for travellers?

Safety varies by neighbourhood and changes over time, so there's no one-word answer. The local emergency number is 119. Check SkyOSK's safety notes for Jeju City and your government's current travel advisory before you go.