The Union of the Comoros occupies three islands between northern Madagascar and Mozambique in the Mozambique Channel. Grande Comore, Anjouan, and Mohéli together cover 1,861 square kilometers with a population approaching 900,000. A fourth island, Mayotte, remains French territory despite Comorian claims since the 1975 independence referendum when Mayotte voted to stay with France while the other three voted to leave. This territorial dispute defines Comorian politics and international positioning. The country has experienced more than twenty coups or attempted coups since 1975, several led by French mercenary Bob Denard who effectively controlled the islands between 1978 and 1989. Political instability remains the dominant framework for understanding what functions and what does not.
Mount Karthala on Grande Comore rises 2,361 meters and ranks among the world's most active shield volcanoes. It erupted in 2005 and 2006, forcing evacuations from villages on its southern slopes. The summit crater measures roughly four kilometers across and contains a crater lake that appears and disappears depending on eruptive cycles. Lava fields from historical eruptions cover substantial portions of Grande Comore's northern coast. The volcano shapes water availability across the island because porous volcanic rock absorbs rainfall immediately, leaving Grande Comore without permanent rivers despite receiving over two meters of rain annually in highland areas. Villages rely on rainwater cisterns and tanker deliveries during dry months between May and October.
Mohéli Marine Park was established in 2001 as the country's first protected area and covers ten square kilometers of coral reef and coastal waters on Mohéli's southern coast. Green sea turtles nest on beaches within the park boundaries between November and March. Humpback whales migrate through Comorian waters between July and October during the southern hemisphere winter breeding season. The coelacanth, a lobe-finned fish known from fossils dating back 400 million years and believed extinct until 1938, inhabits deep slopes around the Comoros at depths between 150 and 700 meters. Fishermen occasionally catch coelacanths in deep-set lines intended for oilfish. The Coelacanth Marine Park designation exists on paper but lacks enforcement infrastructure. Scientists studying the species work primarily through the Comorian Coelacanth Conservation Council based in Moroni.
The economy runs on three agricultural exports. The Comoros produces between thirty and eighty tons of ylang-ylang essential oil annually, depending on rainfall and world prices. This represents approximately half the global supply of an oil used in high-end perfumes including Chanel No. 5. Distilleries operate across Grande Comore and Anjouan, and the jasmine-like scent permeates villages during May to October distillation season. Vanilla ranks second, though production collapsed from 200 tons in the 1990s to roughly twenty tons after cyclone damage and competition from Madagascar. Cloves provide the third export crop. All three commodities face volatile world prices. When prices drop, farmers abandon plantations and youth migration to Mayotte or mainland France accelerates. Roughly a quarter of the population lives outside the country.
Moroni, the capital on Grande Comore's western coast, holds approximately 60,000 people. The medina's narrow streets run between whitewashed houses built from coral stone and volcanic rock. The Friday Mosque of Moroni dates to 1427 according to inscriptions and serves as the architectural reference point for Comorian Islamic design. The Shirani Mosque, built in the 1920s, features carved doors and a minaret visible from the harbor. Fishing dhows anchor in the port where ferries depart irregularly for Anjouan and Mohéli. Power cuts occur daily in Moroni. The national electrical grid supplies power for approximately eight to twelve hours per day depending on fuel availability for diesel generators. Businesses and hotels operate their own generators. Mobile phone networks cover populated areas on all three islands but internet speeds rarely exceed three megabits per second.
The Grand Marriage, called Anda na Harusi in Comorian, represents a weeklong ceremony that costs between 10,000 and 50,000 euros depending on the family's social standing. Men typically marry in their forties after accumulating funds through work in France or Mayotte. The ceremony includes specific clothing gifts, gold jewelry presentations, public feasting for hundreds of guests, and the construction or renovation of a house. Only men who complete a Grand Marriage gain full social recognition as elders with speaking rights in village assemblies. The institution drives migration because few men can fund the ceremony from Comorian wages alone. It also maintains rigid social stratification because families inherit rank through maternal lines and marriage practices reinforce those divisions. The government has attempted to limit spending on Grand Marriages through legislation that accomplishes nothing.