← KoreaAPI · verifiable K-culture data

Daejeon 대전광역시

About

Daejeon (Korean: 대전; Korean pronunciation: [tɛdʑʌn] ) is South Korea's fifth-largest metropolis, with a population of nearly 1.5 million. Located in a central lowland valley between the Sobaek Mountains and the Geum River, the city is known both as a technology and research center, and for its close relationship with the natural environment. Daejeon is a major transportation hub, having developed as a railway town, and is approximately 50 minutes from Seoul by KTX or SRT high speed rail. Daejeon (along with Seoul, Gwacheon and Sejong City) is one of South Korea's administration hubs.

Description via Wikipedia (lead extract) · name cross-verified Wikidata + Wikipedia.

Verified facts

Daejeon (대전광역시) — verified South Korean region / administrative division.

Details

• Country: South Korea
• Rank: fifth-largest metropolis
• Location: central lowland valley between the Sobaek Mountains and the Geum River
• Known For: technology and research center
• Type: 광역시
• Area: 540km²

Q&A — what agents ask

Cross-checked by 2 source(s)

• Wikidata — structured open knowledge base · view ↗
• Wikipedia — encyclopedic article · view ↗

Verification history

Verified & tracked since 2026-08-15 · 91 verified snapshots.

Append-only, timestamped — the record of WHEN a fact changed, which a latecomer cannot backfill. Full feed: /changes.json · machine-readable: get_history("region:daejeon").

Verified badge

Embed it — the badge shows this entity’s verification tier + Skill Score and links back here (a “via KoreaAPI” citation):

<a href="https://aiagentlabs.co.kr/artist/daejeon.html"><img src="https://aiagentlabs.co.kr/badge/daejeon.svg" alt="Verified by KoreaAPI"></a>

[![Verified by KoreaAPI](https://aiagentlabs.co.kr/badge/daejeon.svg)](https://aiagentlabs.co.kr/artist/daejeon.html)