Mulled wine Poland, "grzane wino " ("heated wine"), or "grzaniec" in highlander dialect, is very similar to the Czech variant, especially in the southern regions. There is also a similar method for preparing mulled beer or "grzane piwo" which is popular with Belgian beers because of the sweet flavor of that particular type of beer, which uses the same spices as mulled wine and is heated. In Portugal, mainly in the Douro and Minho Provinces it is called "vinho quente" and made with Madeira wine and Port wine, in the Porto region Porto Quente is more popular. In Romania, it is called
Texas wine Houston. In recent years this area's wine industry has been hard hit by Pierce's Disease. The high humidity around the northern end of this area makes it difficult to grow vinifera grapes, while vines in the Muscadine family flourish. Roughly in the center is the Texas Hill Country AVA where vinifera is grown. At the far southwest end of this region, along the Mexico–United States border is the state's oldest winery, Val Verde, which has been in operation for over a century, making sweet fortified wines. The central-western third of the state is known as the Trans-Pecos Regions which produces