Terceira Island
Also known as Terceira
island in the Azores archipelago
Key facts
- Location
- Atlantic Ocean
- Archipelago
- Azores
- Area
- 400.28 km (154.55 sq mi)
- Coastline
- 127.56 km (79.262 mi)
- Highest elevation
- 1,021.2 m (3350.4 ft)
- Highest point
- Serra de Santa Bárbara
- Autonomous region
- Azores
- Capital and largest city
- Angra do Heroísmo (pop. 13,000)
- Demonym
- Terceirense
- Population
- 53,244 (2021)
- Languages
- Portuguese
- Ethnic groups
- Portuguese
- Time zone
Article
Terceira ( Portuguese pronunciation: [tɨɾˈsɐjɾɐ]) is a volcanic island in the Azores archipelago of Portugal, 1,181 km (734 mi) due west of Lisbon. It is one of the larger islands of the archipelago, with a population of 53,311 inhabitants in an area of approximately 396.75 km (153.19 sq mi).
Terceira is the location of the Azores' oldest city, Angra do Heroísmo, the historical capital of the archipelago and a UNESCO World Heritage Site; the seat of the judicial system (Supreme Court); and the main insular Portuguese Air Force base, Base Aérea nº 4 at Lajes, with a United States Air Force detachment.