Vexillological description
It is a plain blue field (the cloth) with the emblem of the city, which is a round seal, placed slightly towards the flagpole. No rule fixes its ratio.
- Field
- blue, with no stripes or borders.
- Seal
- a circle with Saint Hallvard seated on a throne with lion heads. He holds a millstone in one hand and three arrows in the other. At his feet is a reclining woman and around, four golden stars.
- Ring
- it surrounds the seal with the Latin motto ‘Unanimiter et constanter’ and the name ‘Oslo’.
- Mural crown
- a golden crown in the shape of a wall above the seal.








