The Philippines has over 7,100 islands with a coastline over 36,000 km long, making it the country with the longest coastline in the world. It has numerous natural harbors and volcanic mountains, including Mayon Volcano which is famous for its near-perfect conical shape. The Philippines' geography endows it with abundant and diverse natural resources across its forests, grasslands, rivers and seas, providing food, medicine and shelter for humans and natural habitats for wildlife. The country is divided into 17 administrative regions with varying landscapes, climates, and economies based on their locations and natural resources.