Naantali are some important points of interest in the city, such as the Moomin World theme park on the island of Kailo. Naantali Spa Hotel, the largest spa in the Nordic countries, and the Naantali’s medieval convent stone church. The city's popularity as a tourist venue is highlighted by the fact that the official summer residence of the President of Finland, the Kultaranta estate, is located on Luonnonmaa. The archipelago sea boat traffic is handled by S/S Ukkopekka. Old steamship cruise Naantali-Turku-Naantali. Naantali hosts an international music festival every June, and the traditional Sleepyhead Day carnival in July. In addition to
Finnish war children war, Finland experienced times of economic hardship, and also substantial insecurity with regard to the Soviet Union's plans for Finland, which resulted in the delay of the return of the children for several years. Ultimately, about 20% of the war children stayed with their foster families after the war, who often adopted them. Many more returned to Sweden as adults, when the prolonged post-war hardship in Finland pushed large contingents of unemployed Finns to Sweden's booming economy in the 1950s–60s. "Mother of Mine" (Finnish: "Äideistä parhain", Swedish: "Den bästa av mödrar") is a 2005 Finnish-Swedish film directed by Klaus Härö