Fort Lauderdale is a city in the U.S. state of Florida, on the Atlantic coast. It is the county seat of Broward County. The city is a popular tourist destination, with 10.35 million visitors in 2006. Fort Lauderdale is sometimes known as the "Venice of America" because of its expansive and intricate canal system. The city is a major yachting center, with 42,000 resident yachts and 100 marinas and boatyards. The city sits 23 miles north of Miami, Florida. Fort Lauderdale and the surrounding area host over 4100 restaurants and 120 nightclubs. Fort Lauderdale is named after a series of forts built by the United States during the Second Seminole War. The forts took their name from Major William Lauderdale, who was the commander of the detachment of soldiers who built the first fort. However, development of the city did not begin until 50 years after the forts were abandoned at the end of the conflict.