There are three important churches in Karlskrona. Fredrik skyrkan (The Frederick church) was designed by Nicodemus Tessin the Younger, who was influenced by European architecture. The foundation of that church were laid in 1720, and it was inaugurated in 1744. It differs from usual Swedish churches in its yellow color and its adornment.
Trefaldighet skyrkan (Church of Holy Trinity), also called The German Church, was built between 1697�1709, following Tessin's drawings. It is likewise located at the market square in the centre core. The dome-shaped roof takes its influence from Italian architecture and is rarely seen on Swedish churches.
Karlskrona Admiralty Church (Amiralitet skyrkan) was built in 1685 in red-painted wood. Outside the church there is a well-known statue called Rosenbom
