(WineSpectator) - Oregon wine country has gained two new appellations. The U.S. Alcohol and Tobacco Tax and Trade Bureau (TTB) approved the Laurelwood District and Tualatin Hills as American Viticultural Areas (AVAs). That brings the total number of AVAs in the state to 21.

The two viticultural areas are located adjacent to each other in the northwest corner of the Willamette Valley. Tualatin Hills is the larger of the two, encompassing 144,000 acres, of which 979 are planted to vine. It includes 31 wineries and tasting rooms, and is situated west of Portland and north of the Yamhill-Carlton AVA, within the Tualatin River watershed. It is defined by elevations ranging from 200 feet to 1,000 feet and its Laurelwood soils, which are a windblown volcanic soil mixed with basalt.