Golf golf course consists of 18 holes, but nine-hole courses are common and can be played twice through for a full round of 18 holes. Early Scottish golf courses were primarily laid out on links land, soil-covered sand dunes directly inland from beaches. This gave rise to the term "golf links", particularly applied to seaside courses and those built on naturally sandy soil inland. The first 18-hole golf course in the United States was on a sheep farm in Downers Grove, Illinois, in 1892. The course is still there today. Every round of golf is based on playing a number of
Ullna Golf Club HP Open, with Annika Sörenstam as winner. Due to the development of a few high class golf courses in the Stockholm area in recent years, Ullna Golf Club is no longer unmatched as the best course in the region. To regain its former position, the club has during the fall of 2006 acquired some land on which to build an additional nine holes of the highest standard. The new nine holes are planned to be ready by the fall of 2009, when a grand renovation of the original course will start. The whole project is projected to be finished in