Oster

It is situated on the banks of the river Oster.

The first mention refers to 1098 when Volodymyr Monomach has founded a town "on Vestri".

Since 1657 it was a squadron town of Pereiaslav regiment.

In 1655 king Yan II Kasimir granted the Magdeburg Right and an emblem - in a vert field there was a mural gate with three small towers with an or cross on the central one.

The emblem of the Russian period

The emblem of the Russian period was confirmed on the 4th of June 1782 on the basis of the old emblem - in a vert field there was an argent town gate with three small towers. On the central tower there was an or cross.

B.Kene project

At 28.04.1865 B.Kene worked out a project of a new emblem of the town. In an vert field the argent opened city gate with three round towers. Above it the gules shield divided by or cross. In the canton there was an emblem of Chernihivs'ka province. The shield is crown with an argent mauerkrone with three towers and frame with two or ears, which are twine with the ribbon of the Order of St.Alexander.