San José is the capital and largest city of Costa Rica, and the capital of the province of the same name. It is located in the centre of the country, specifically in the mid-west of the Central Valley, and contained within San José Canton. San José is the seat of national government, the focal point of political and economic activity, and the major transportation hub of Costa Rica. The population of San José Canton was 288,054 in 2011, and San José's municipal land area measures 44.2 square kilometers (17.2 square miles), with an estimated 333,980 residents in 2015. Together with several other cantons of the central valley including Alajuela, Heredia and Cartago it forms the Greater Metropolitan Area of the country, with an estimated population of over 2 million in 2017. The city is named in honor of Joseph of Nazareth.