Zielina ([ʑɛˈlina], German: Zellin) is a village in the administrative district of Gmina Strzeleczki (Gemeinde Klein Strehlitz), within Krapkowice County, Opole Voivodeship, in south-western Poland.

[1] Historically located in Upper Silesia, in the Prudnik Land.

From the 1930s until 1945 the town was owned by Claus von Thiele-Winckler.

[2] In the Upper Silesia plebiscite of 20 March 1921 337 villagers voted to remain with Germany and 139 voted to join the newly created state of Poland.

Until 1945 it was located in Kreis Neustadt O.S.. As part of the bilingual Gmina Strzeleczki, the village carries an official German name.