Nigeria is 6,880 times larger than Katsina.
Area: 923,768 km2 World Factbook
Population: 177,155,754 (July 2014) World Factbook
Nigeria, officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. Wikipedia
Area: 134 km2 calculated
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