- Tierp is a municipality and city located in the Uppsala County in Sweden. The city itself is small, with a population of around 5,800 people. It is known for its beautiful nature, with forests and lakes surrounding the area. Tierp also has a rich history, with historical buildings and monuments, including the Tierp Church that dates back to the 13th century. The city is well-connected with good transportation links, including a train station that allows for easy access to other cities in Sweden.