Majuro is the capital and largest city of the Marshall Islands. It is also a large coral atoll of 64 islands in the Pacific Ocean. It forms a legislative district of the Ratak Chain of the Marshall Islands. The atoll has a land area of 9.7 square kilometers and encloses a lagoon of 295 square kilometers. As with other atolls in the Marshall Islands, Majuro consists of narrow land masses. It has a tropical trade wind climate, with an average temperature of 27 °C. Majuro has been inhabited by humans for at least 2,000 years and was first settled by the Austronesian ancestors of the modern day Marshallese people.