Nigeria, officially known as the Federal Republic of Nigeria, is a federal republic located in West Africa. It is the most populous country in Africa and the seventh most populous country in the world, with a population of over 200 million people. Nigeria is a diverse country with over 250 ethnic groups and more than 500 languages spoken. The official language is English, and the capital city is Abuja. The country has a diverse economy, with major industries including agriculture, mining, and manufacturing. Nigeria is also known for its rich cultural heritage, including its music, art, and literature.