Istrian Socialdemocratic Forum is a regional left-wing political party in Istria County

Istria County

Istria County is the westernmost county of Croatia which includes the biggest part of the Istrian peninsula . The area of the county is called Istra in Croatian and Slovene...

 of Croatia

Croatia

Croatia , officially the Republic of Croatia , is a unitary democratic parliamentary republic in Europe at the crossroads of the Mitteleuropa, the Balkans, and the Mediterranean. Its capital and largest city is Zagreb. The country is divided into 20 counties and the city of Zagreb. Croatia covers ...

.

It was founded by dissident faction of Istrian Democratic Assembly

Istrian Democratic Assembly

The Istrian Democratic Assembly is a Croatian regional and social liberal political party in Istria. The hyphenated abbreviation IDS-DDI is most commonly used....

 and firstly it was named Istrian Democratic Forum, led by Luciano Delbianco, former prefect of Istria County.

In the past, it has usually been allied with Social Democratic Party of Croatia

Social Democratic Party of Croatia

Social Democratic Party of Croatia , commonly referred to in Croatia as simply Social Democratic Party , is the largest centre-left political party in Croatia...

, but is currently allied with a number of small leftist parties, such as the Left of Croatia

Left of Croatia

The Left of Croatia is a marginal leftist Croatian political party with no parliamentary representation.-Origins:Left of Croatia was created in 2007 by the merger of several parties:* Vladimir Bebić – Third Block* Green Left of Croatia...

.