The town is also the capital of Lemnos, as well as the seat of the Metropolitan (Greek Orthodox bishop) of Lemnos. In addition to the town of Myrina, the municipal unit includes the communities of Káspakas (792), Platý (785), Thános (451), and Kornós (267). The 2011 census recorded 5,711 residents in the town and 8,006 residents in the municipal unit.
The town is the capital of Lemnos and serves as the seat for the Metropolitan (Greek Orthodox bishop) of Lemnos. It comprises the towns of Myrina and several other communities: Káspakas, Platý, Thános, and Kornós. The 2011 census recorded a population of 5,711 in the town and 8,066 in the municipal unit.