The town is situated on theAlte Oder, an old branch of theOder River at the northwestern rim of theOderbruch basin and the steep rise of theBarnim Plateau. It is located 15 km (9.3 mi) east ofEberswalde, and 50 km (31 mi) northeast ofBerlin, near the border withPoland.The municipal area comprises the following villages: Altranft, Altglietzen, Bralitz, Hohensaaten, Hohenwutzen, Neuenhagen and Schiffmühle.
The settlement ofVrienwalde in theMargraviate of Brandenburg was first mentioned in a 1316 deed and appeared as atown in 1364. From 1618, the Freienwaldemanor was directly held by the Brandenburgprince-electors (Kurfürsten).
The development was further promoted, when in 1799 the smallNeoclassical Freienwalde Castle was built according to plans byDavid Gilly as a summer residence of PrincessFrederika Louisa of Hesse-Darmstadt, the widow of KingFrederick William II of Prussia. Its park was redesigned byPeter Joseph Lenné in 1822. The industrialist and politicianWalther Rathenau acquired the palace in 1909, it was nationalised after his assassination in 1922. Freienwalde achieved the official status of spa town (Bad) in 1925.
During the final stages ofWorld War II, on 11 March 1945, it was visited byAdolf Hitler in his last visit on the war front.[3] On 16–20 April 1945, fights between the1st Polish Army and9th German Army took place in the area, won by the Poles.[4]
Development of population since 1875 within the current boundaries (Blue Line: Population; Dotted Line: Comparison to population development of Brandenburg state; Grey Background: Time of Nazi rule; Red Background: Time of Communist rule)
Recent Population Development and Projections: Population Development before Census 2011 (blue line); Recent Population Development according to theCensus in Germany in 2011 (blue bordered line); Official projections for 2005-2030 (yellow line); for 2017-2030 (scarlet line); for 2020-2030 (green line)
Bad Freienwalde (Oder): Population development within the current boundaries (2020)[5]