La Gomera is one of Spain's Canary Islands

Canary Islands

The Canary Islands , also known as the Canaries , is a Spanish archipelago located just off the northwest coast of mainland Africa, 100 km west of the border between Morocco and the Western Sahara. The Canaries are a Spanish autonomous community and an outermost region of the European Union...

, located in the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

 off the coast of Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

. In area, it is the second-smallest of the seven main islands of this group.
La Gomera is part of the province of Santa Cruz de Tenerife

Santa Cruz de Tenerife (province)

Province of Santa Cruz de Tenerife also Province of Santa Cruz is a province of Spain, consisting of the western part of the autonomous community of the Canary Islands. It consists of about half of the Atlantic archipelago, including the islands of Tenerife, La Gomera, El Hierro, and La Palma, and...

. It is divided into six municipalities:

• Agulo
• Alajeró
  Alajeró, Santa Cruz de Tenerife
  Alajeró is a municipality on the island of La Gomera in the province of Santa Cruz de Tenerife in the Canary Islands. It is located on the south coast, SW of the capital San Sebastián de la Gomera...
  
  
• San Sebastián de la Gomera
• Hermigua
• Valle Gran Rey
• Vallehermoso
  Vallehermoso, Santa Cruz de Tenerife
  The municipality of Vallehermoso is located on the southwestern and northwestern coasts of La Gomera in the province of Santa Cruz de Tenerife of the Canary Islands...
  
  

The island government (cabildo insular) is located in the capital, San Sebastián.
The island is of volcanic

Volcano

2. Bedrock3. Conduit 4. Base5. Sill6. Dike7. Layers of ash emitted by the volcano8. Flank| 9. Layers of lava emitted by the volcano10. Throat11. Parasitic cone12. Lava flow13. Vent14. Crater15...

 origin and roughly circular; it is about 22 km (13.7 mi) in diameter and rises to 1487 m (nearly 5000 feet) at the island's highest peak, Garajonay.