Maps and aerial photographs
The City of Helsinki produces technically accurate cartographic materials covering the city area, including the base map containing all key elements needed for planning and construction, the real estate map, the map of underground cables and pipes, and more general maps such as the guide map and pictorial map. Find more information on the Geographic information page. Descriptions of the maps can be found in the Helsinki geographic information index.
The City has commissioned aerial photography since the 1930’s. The City has extensive archives of aerial photographs, orthophotographs and uncorrected aerial photographs. Read more about aerial photographs on the aerial photograph page.
Map services on the Web
The City of Helsinki maintains many map services open to everybody.
The City of Helsinki map service is a map portal that can be used to access the map and geographic information datasets of several departments. The portal can be used to locate buildings and other real estate, city plan maps and register information about locations. The portal gives access to many basic maps, for example, the guide map, the various versions of the real estate map, orthophotographs, and a large collection of historical maps and aerial photos. (http://kartta.hel.fi/)
The Helsinki Metropolitan Area guide map service is an easy-to-use address-based web application. The map is used with the mouse or by writing an address in the search field. The programme opens the section of the map at the address.(http://kartta.helsinginseutu.fi/)
The Helsinki Metropolitan Area Service Map can be used to locate the municipal services at any area, complete with their address and other contact information as well as accessibility information. The Service Map is maintained jointly by the Cities of Helsinki, Espoo, Vantaa and Kauniainen. (http://servicemap.hel.fi/)
Helsinki geographic information index
The geographic information index is a City of Helsinki service that compiles the metadata of the geographic information datasets and services of the City administrative bodies.
The geographic information index includes the names of the geographic information datasets, short descriptions, purpose of use, update information and method of updating. The index also includes brief histories of the datasets.
The index is maintained technically by the Real Estate Department. Each administrative body maintains the metadata of their own geographic information.
Maps for leisure include the Helsinki Metropolitan Area Outdoor and Cycling Map and the map of Helsinki fishing waters