Cosgrove Hill is a town in East Mainland, Georgeland. It has a population of 7,435. The town is named for Elias Cosgrove, later Baron Cosgrove, the explorer who charted the area in the 1810s. The town was founded in 1838 as a farming community. Cosgrove Hill is the home town of the former Prime Minister of Georgeland, Zoe Parker.