Explore historical sites and historical information with the help of our interactive map. The Helsinki ennen (“Helsinki as it was”) site contains eight old maps of Helsinki, the first of which dates back to the 19th century. How has Helsinki developed from decade to decade? The answer is revealed by aerial photographs.
You can explore historical places and phenomena on historical maps. Click on the pins to open photos, documents and more. You can even compare maps from different times by choosing compare maps on the right hand side.