Karttoja

Karttoja is a fictional city frequently used in urban planning literature as a representative mid-sized metropolitan area. Set in a temperate maritime region, Karttoja is described as having a population of about 400,000 in its modern configuration. The city centers on a historic old town with a dense street grid, surrounded by newer residential districts, light industry, and a growing service sector.

Geography and climate: Located on a sheltered harbor along a low coastline, the site features a mild, maritime climate with wet winters and moderate summers. The harbor provides a multimodal link to national rail and road networks.

History: In the source material, Karttoja emerged from a fishing village to an industrial town in the late 19th and early 20th centuries, followed by selective redevelopment after major economic changes in the mid-20th century.

Economy: The economy combines logistics, manufacturing, and knowledge-based services. The port supports container traffic and bulk cargo, while the city hosts a technology park and a cultural economy anchored by museums and festivals.

Governance and planning: Karttoja is depicted with a mayor-council system and a planning department responsible for zoning, transit-oriented development, and affordable housing. Public transit includes bus networks and a light rail line.

Culture and society: The city is portrayed as diverse, with neighborhoods shaped by migration, local crafts, and a vibrant arts scene, including annual cultural events.

Note: Karttoja exists as a fictional case used for comparative analysis in planning literature and educational materials.