Østre Agder is a district or region in Agder county in southern Norway. The district covers the eastern, coastal areas of the county including the eight municipalities of Arendal, Froland, Gjerstad, Grimstad, Risør, Tvedestrand, Vegårshei, Åmli. The city of Arendal is the largest city in the region. Other cities in the district include Tvedestrand, Grimstad, and Risør. This region is bounded by Telemark County to the north, by the Setesdal region to the northwest, and by the Kristiansand Region to the southwest.
Østre Agder has about residents in its area. The district includes all of the Church of Norway deaneries of Aust-Nedenes prosti (Gjerstad, Vegårshei, Åmli, Tvedestrand, and Risør) and Arendal prosti (Arendal and Froland) as well as a part of the Vest-Nedenes prosti (Grimstad).
Municipalities The Østre Agder Region includes the following municipalities: NameMapCoat of armsAdmin.centerPopulation(in 2026)Areakm2LanguageLocationRisør MunicipalityRisørNeutralCoastGrimstad MunicipalityGrimstadBokmålCoastArendal MunicipalityArendalBokmålCoastGjerstad MunicipalityGjerstadNeutralInlandVegårshei MunicipalityMyraNeutralInlandTvedestrand MunicipalityTvedestrandBokmålCoastFroland MunicipalityBlakstadNeutralInlandÅmli MunicipalityÅmliNynorskInland
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