Asia is the Earth's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and comprises 30% of its land area. With approximately 4.3 billion people, it hosts 60% of the world's current human population. Wikipedia

Katsina is a city, and a Local Government Area in northern Nigeria, and is the capital of Katsina State. Katsina is located some 160 miles east of the city of Sokoto, and 84 miles northwest of Kano, close to the border with Niger. As of 2007, Katsina's estimated population was 459,022. Wikipedia