Zaria is 24% larger than Grenada.
Area: 344 km2 World Factbook
Population: 110,152 (July 2014) World Factbook
Grenada is an island country consisting of the island of Grenada and six smaller islands at the southern end of the Grenadines in the southeastern Caribbean Sea. Grenada is located northwest of Trinidad and Tobago, northeast of Venezuela, and southwest of Saint Vincent and the Grenadines. Wikipedia
Area: 426 km2 calculated
Zaria is a major city in Kaduna State in Northern Nigeria, as well as being a Local Government Area. Formerly known as Zazzau, it was one of the original seven Hausa city-states. The 2006 Census population was 408,198. The current Emir of Zazzau is Shehu Idris. Wikipedia