Koidula museum is located at Pärnu Ülejõe schoolhouse. The building was constructed in 1850 and has a unique interior solution. It was the home of Johann Voldemar Jannsen and the editorial office of the Perno Postimees newspaper until 1863, now it is under protection as a historical monument. Jannsen’s elder daughter, poetess Lydia Koidula grew up in the house. It is the main task of the museum to keep alive the memory of L. Koidula and J. V. Jannsen and introduce their life and work in the context of the period of national awakening in Estonia through the permanent exposition of the museum.