Primorska
In Slovenia, Merlot was the most widely planted grape variety of any color in the Vipava Valley in the Slovene Littoral and the second most widely planted variety in the Gorizia Hills located across the Italian border from Friuli. In the Slovene Littoral, collectively, Merlot accounts for around 15% of total vineyard plantings with of Merlot in cultivation across Slovenia in 2009.