Kupjak is a village in Croatia. It is connected by the D3 highway.
In 1860âÂÂ1879, Matija Maà ¾uraniàwrote a 62 folio manuscript today titled Writings on the Building of Roads in Gorski Kotar and Lika (), today with signature HR-ZaNSK R 6424. A 21 folio manuscript dated 1872 titled Darstellung der Entstehung des Baues ... der Luisenstrasse together with a translation by I. Miklouà ¡iàis kept as HR-ZaNSK R 4572.
The volunteer fire department DVD Kupjak was founded in 1929, and is today part of the VZ opÃÂine Ravna Gora. Its current commander is Igor à  poljariÃÂ.
The Italians withdrew from Kupjak on 25 January 1942. The Italians did not leave those towns along the railway, which they fortified with barbed wire.
On 12 December 2017, a severe wind hit Kupjak, blocking traffic to and from it along the Kupjak-Stubica road.
It is the seat of the of Kupjak, encompassing itself, Leskova Draga and à  ije.