Slovenia is home to 3 main winegrowing regions, divided into 9 smaller areas. Winegrowing locations are among the best 4% in the world. Slovenian vineyards flourish due to a bled of climates and microclimates, including the Mediterranean and continental climates. Most vineyards are located on steep slopes, which is why the majority of grape picking is done by hand. The oldest grapevine in the world is the 400-year-old vine in Maribor.