The Slovenia Open was a women's tennis tournament held in Portorož, Slovenia, originally from 2005 until 2010, and returned to the tour in 2021 and 2022.

The WTA Tour event was a WTA International category, and then transitioned to its most recent variant, the WTA 250 category.

It was played on outdoor hardcourts.

Katarina Srebotnik finished runner-up in the singles finals of 2005 and 2007, and in the doubles final in 2005.

This WTA Tour tennis tournament article is a stub.