Released into circulation: 28 May 1997
Metal composition: the core of the coin is made of an alloy consisting of 92% copper, 6% aluminium and 2% nickel, while the ring is made of an alloy exhibiting a silver lustre, which consists of 75% copper and 25% nickel.
Diameter and weight: the coin is shaped as a regular dodecagon, with the circumscribed circle diameter of 32 mm, and weighs 12.75g. The core of the coin is 18mm in diameter and weighs 4.05g. The ring is 18mm in inner diameter and weighs 8.70 g.
Motif on the obverse: the surface of the coin bears a map of the Croatian Danube Region with denoted Croatian towns and rivers and drawn borders of the Republic of Croatia and the neighbouring states. The background of the map is a square surface, interwoven with tiny squares, symbolising Croatia, within the borders of the Republic of Croatia. The inscription "HRVATSKO PODUNAVLJE" stretches along the left side of the square and continues along the bottom side. The minting year, "1997", is inscribed along the right side of the square.
Motif on the reverse: the central part of the coin core features the denomination numeral "25". The outlines of the number "25" reveal an image of a marten turned to the right, with the marten's body integrated with the denomination numeral. Positioned centrally at the lower part of the coin ring is the coat of arms of the Republic of Croatia, bordered at the left by a blooming laurel branch and at the right by a common oak branch with acorns. The upper part of the ring bears the inscription "REPUBLIKA HRVATSKA".
Occasion marked: marking the completion of the peaceful reintegration the Republic of Croatia territory under the temporary administration of UNTAES
Items issued: 300,000