Manguaria

Manguaria is Seines's capital and largest city, and Jochaena's second-largest city, home to 3.6 million people.

Manguaria is considered the economic center of Jochaena, owing to the petroleum industry that developed in the shores. It is sometimes known as "The First City of Jochaena", for being the first city in Jochaena to adopt various types of public services, including electricity.